{"id":41842,"date":"2024-07-09T15:24:35","date_gmt":"2024-07-09T13:24:35","guid":{"rendered":"https:\/\/xometry.pro\/articles\/threaded-inserts-for-plastics\/"},"modified":"2026-02-09T15:05:40","modified_gmt":"2026-02-09T14:05:40","slug":"threaded-inserts-for-plastics","status":"publish","type":"articles","link":"https:\/\/xometry.pro\/en-tr\/articles\/threaded-inserts-for-plastics\/","title":{"rendered":"Threaded Inserts for Plastics: Types, Comparison and Selection Tips"},"content":{"rendered":"<div role=\"navigation\" aria-label=\"Table of Contents\" class=\"simpletoc wp-block-simpletoc-toc\"><h2 class=\"simpletoc-title\">Table of Contents<\/h2>\n<ul class=\"simpletoc-list\">\n<li><a href=\"#h-types-of-inserts-for-plastic-parts\">Types of Inserts for Plastic Parts<\/a>\n\n<\/li>\n<li><a href=\"#h-press-fit-inserts\">Press-Fit Inserts<\/a>\n\n\n<li><a href=\"#h-tapped-inserts\">Tapped Inserts<\/a>\n\n\n<li><a href=\"#h-heat-set-inserts\">Heat-Set Inserts<\/a>\n\n\n<li><a href=\"#h-helical-helicoil-inserts\">Helical \/ Helicoil\u00ae Inserts<\/a>\n\n\n<\/li>\n\n<li><a href=\"#h-molded-in-inserts\">Molded-In Inserts<\/a>\n\n\n<li><a href=\"#how-to-choose-the-right-insert\">How to Choose the Right Insert<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-what-to-pay-attention-to-when-reading-manufacturer-s-specification-charts\">What to Pay Attention to When Reading Manufacturer\u2019s Specification Charts<\/a>\n\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<\/li>\n\n<li><a href=\"#h-how-to-get-plastic-parts-with-inserts-ordered-at-xometry\">How to Get Plastic Parts With Inserts Ordered at Xometry<\/a>\n\n<\/li>\n<\/ul>\n<\/li><\/ul><\/div>\n\n\n<p>Inserts enhance the strength and durability of plastic parts by providing reinforcement, secure attachment points, wear resistance, versatility, consistency, and cost-effectiveness. By incorporating inserts into a design, manufacturers can produce high-quality plastic components that meet performance requirements and withstand real-world applications.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-types-of-inserts-for-plastic-parts\"><strong>Types of Inserts for Plastic Parts<\/strong><\/h2>\n\n\n<p>Standard inserts typically refer to commonly used or readily available inserts that conform to industry standards in terms of dimensions, materials, and design. Threaded inserts for 3D printed parts, injection molding, and CNC machined plastics are widely used across various manufacturing sectors and are often easily accessible from suppliers and distributors.<\/p>\n\n\n\n<p>There are different types of standard inserts available in the market. The most commonly used types are press-fit inserts, tapping inserts, heat-set inserts, helical inserts, mold-in inserts, and dowel pin inserts.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-tr\/topic\/add-threads-to-3d-print\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/11\/community-icon-1.svg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/en-tr\/topic\/add-threads-to-3d-print\/\" class=\"aside-link\">Topic: Add threads to 3D print<\/a>    <\/aside>\r\n    \n\n\n<p>When selecting plastic options for inserts, thermoplastics and thermosets offer different advantages. <a href=\"#thermoplastics\">Thermoplastics<\/a> (e.g. PMMA \/ Acrylic, PC, ABS, PP, PEEK), which can be reshaped multiple times, work well with heat and ultrasonic inserts. In contrast, <a href=\"#thermosets\">thermosets<\/a> (e.g. epoxy, vulcanised rubber), which are permanently rigid after molding, require specialized inserts like molded-in, press-in, or self-tapping inserts.<\/p>\n\n\n    <aside data-id=\"thermoplastics\" class=\"aside-popup\">\r\n        <div class=\"popup-content\">\r\n            <div class=\"popup-close-btn\">\r\n                <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/themes\/xometry\/assets\/images\/cross.svg\" alt=\"close-popup\">\r\n            <\/div>\r\n            <div>\r\n                <div class=\"popup-text\">Thermoplastics are a versatile class of polymers that are rigid and solid at normal temperatures but soften and melt when exposed to higher temperatures. This characteristic allows them to be molded and reshaped multiple times, making them highly adaptable for various manufacturing processes.<\/div>            <\/div>\r\n                    <\/div>\r\n    <\/aside>\r\n\n\n    <aside data-id=\"thermosets\" class=\"aside-popup\">\r\n        <div class=\"popup-content\">\r\n            <div class=\"popup-close-btn\">\r\n                <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/themes\/xometry\/assets\/images\/cross.svg\" alt=\"close-popup\">\r\n            <\/div>\r\n            <div>\r\n                <div class=\"popup-text\">Thermoset plastics are a unique class of polymers that, once molded and set, undergo a chemical change that permanently alters their structure. This transformation makes them rigid and inflexible, unable to be remelted or reshaped by applying heat and pressure.<\/div>            <\/div>\r\n                    <\/div>\r\n    <\/aside>\r\n\n\n    <div class=\"button-block\" style=\"text-align: left\">\r\n        <a href=\"https:\/\/youtube.com\/playlist?list=PLQSLwu4VbvzJ-sdHGH9_jFU4xiYK1cNWG&#038;si=TE5QCFME3NRaPob_\" target=\"_blank\" class=\"button-block__btn btn_blue\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Vector.svg\" alt=\"icon\" class=\"button-block__icon button-block__icon_right\">\r\n                        Watch Our Technical Deep Dives About Threaded Inserts                    <\/a>\r\n    <\/div>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-press-fit-inserts\"><strong>Press-Fit Inserts<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit.png\" alt=\"\" class=\"wp-image-103643\" style=\"max-width:350px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit-300x300.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit-150x150.png 150w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit-768x768.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit-84x84.png 84w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit-102x102.png 102w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Press_Fit.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Press-in inserts are designed to be pressed into a straight post-mold hole without additional heat, making them ideal for softer plastics. They feature knurls to provide torque and pull-out resistance while ensuring good plastic flow during insertion. Depending on the insert type, knurls can be helical or diamond-shaped.<\/p>\n\n\n\n<p>Standard press-fit inserts typically have helical knurls that bite into the plastic as they are pushed in, guiding the insert into the hole during tightening. This design ensures adequate installation torque to maintain the necessary tension between the threads.<\/p>\n\n\n\n<p>In addition to standard press-fit inserts, screw-to-expand varieties have diamond knurls. These inserts are pushed into a hole, and then a screw is installed to expand the insert, driving the knurls into the surrounding plastic for a secure fit.<\/p>\n\n\n\n<p>These designs allow for rapid installation without specialised tools, providing reliable joint performance.<\/p>\n\n\n    <section class=\"article-toggle-list-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"article-toggle-list\">\r\n                <div class=\"toggle-list-title\">Press-Fit Insert Applications<\/div>                <ul class=\"toggle-list\">\r\n                    <li class=\"toggle-list-item\">\u2022 Electronic Enclosures: Press-fit inserts are widely used in the manufacturing of electronic enclosures, chassis, and housing components. They provide secure attachment points for screws, standoffs, or other fasteners, ensuring the integrity and durability of electronic devices and equipment.<\/li><li class=\"toggle-list-item\">\u2022 Automotive Components: Press-fit inserts are used in the automotive industry to secure plastic panels, trim pieces, interior components, and dashboard assemblies. They reinforce threaded connections in plastic parts and withstand vibrations, impacts, and temperature variations in automotive environments.<\/li><li class=\"toggle-list-item\">\u2022 Industrial Equipment: Press-fit inserts are integrated into plastic components used in industrial machinery, equipment, and tools to provide secure mounting points for accessories and ensure the stability, durability, and functionality of industrial equipment in demanding manufacturing environments.<\/li>                <\/ul>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"standard-sizes-of-pressfit-inserts\"><strong>Standard Sizes of Press-Fit Inserts<\/strong><\/h3>\n\n\n<p>Below is a data table from <a href=\"https:\/\/www.spirol.com\/product\/threaded-inserts-for-plastics\/press-in-inserts\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spirol<\/a> highlighting different sizes for their Series 50 press-fit insert. For accurate insert sizing, reference your preferred manufacturer\u2019s specification sheets and use the table below as an example of the provided parameters. Moreover, the image below indicates what the measurements refer to in the table.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"885\" height=\"505\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/straight-hole-tapered-hole.png\" alt=\"Straight hole and tapered hole parameters for inserts, including best practices for boss diameter, minimum hole depth, maximum taper, pilot hole, and insert length.\" class=\"wp-image-41507\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/straight-hole-tapered-hole.png 885w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/straight-hole-tapered-hole-300x171.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/straight-hole-tapered-hole-768x438.png 768w\" sizes=\"(max-width: 885px) 100vw, 885px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/straight-hole-tapered-hole.png\" data-fancybox=\"gallery-41842\" data-caption=\"Straight hole and tapered hole parameters for inserts, including best practices for boss diameter, minimum hole depth, maximum taper, pilot hole, and insert length.\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/straight-hole-tapered-hole.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Straight hole and tapered hole parameters for inserts, including best practices for boss diameter, minimum hole depth, maximum taper, pilot hole, and insert length.<\/figcaption><\/figure>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-35\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-35\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 18.1701%;\"><b>Thread Size<br \/>\n(Metric)\u00a0<\/b><\/td>\n<td style=\"width: 21.9072%;\"><b>A<\/b><\/p>\n<p><b>Overknurl<br \/>\nDiameter (mm)<\/b><\/td>\n<td style=\"width: 17.7835%;\"><b>P<\/b><\/p>\n<p><b>Pilot Diameter (mm)<\/b><\/td>\n<td style=\"width: 11.8557%;\"><b>L<\/b><\/p>\n<p><b>Length (mm)<\/b><\/td>\n<td style=\"width: 30.1546%;\"><b>Recommended<br \/>\nHole Diameter (mm)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><b>Tolerance &gt;<\/b><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">Ref.<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">+-0.08<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">+-0.13<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">+0.08<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M2 x 0.4<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">3.40<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">3.07<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">3.18<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">3.15<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M2.5 x 0.45<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">4.19<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">3.86<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">3.56<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">3.94<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M3 x 0.5<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">4.19<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">3.86<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">3.56<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">3.94<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M3.5 x 0.6<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">4.98<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">4.65<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">3.81<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">4.72<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M4 x 0.7<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">5.77<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">5.44<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">7.06<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">5.51<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M5 x 0.8<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">6.58<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">6.25<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">7.87<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">6.32<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M6 x 1.0<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">8.15<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">7.82<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">9.45<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">7.90<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 18.1701%;\"><span style=\"font-weight: 400;\">M8 x 1.25<\/span><\/td>\n<td style=\"width: 21.9072%;\"><span style=\"font-weight: 400;\">9.75<\/span><\/td>\n<td style=\"width: 17.7835%;\"><span style=\"font-weight: 400;\">9.42<\/span><\/td>\n<td style=\"width: 11.8557%;\"><span style=\"font-weight: 400;\">11.05<\/span><\/td>\n<td style=\"width: 30.1546%;\"><span style=\"font-weight: 400;\">9.50<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tapped-inserts\"><strong>Tapped Inserts<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped.png\" alt=\"\" class=\"wp-image-103655\" style=\"max-width:350px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped-300x300.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped-150x150.png 150w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped-768x768.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped-84x84.png 84w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped-102x102.png 102w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Tapped.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Self-tapping inserts are designed for post-mold installation and provide the best pull-out resistance. The external threads are thin-profiled to minimise stress on the plastic, paired with a relatively coarse pitch to maximize the plastic shear surface and prevent pull-out. These inserts are generally recommended for softer thermoplastics or thermosets to avoid cracking.<\/p>\n\n\n\n<p>The issue of installation torque is not a concern because tightening the connection increases the friction between the plastic and threads. Additionally, the larger diameter of the external insert thread increases the frictional surface. Furthermore, the back-out torque performance depends on the greater surface area of the external insert thread and the tension between the threads and plastic.<\/p>\n\n\n    <section class=\"article-toggle-list-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"article-toggle-list\">\r\n                <div class=\"toggle-list-title\">Tapping Insert Applications<\/div>                <ul class=\"toggle-list\">\r\n                    <li class=\"toggle-list-item\">\u2022 Lighting Fixtures and Displays: Tapping inserts are used to manufacture lighting fixtures, displays, and signage to create threaded connections in plastic housings, mounting brackets, and structural components. They provide secure attachment points for electrical components, LEDs, and signage elements, ensuring structural integrity and safety.<\/li><li class=\"toggle-list-item\">\u2022 Furniture and Fixtures: Tapping inserts are commonly used in the furniture and fixtures industry to assemble plastic parts, such as chair components, drawer slides, and modular furniture systems. They facilitate easy assembly and disassembly while providing strong and durable threaded connections.<\/li><li class=\"toggle-list-item\">\u2022 Consumer Products: Tapping inserts find applications in various consumer products, including appliances, toys, household items, and recreational equipment. They provide reliable fastening solutions for assembling plastic components, such as handles, knobs, hinges, and mounting brackets, ensuring product durability and performance.<\/li><li class=\"toggle-list-item\">\u2022 Automotive and Aerospace: They are also used in the automotive and aerospace industries to join trims and plastic components.<\/li>                <\/ul>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"standard-sizes-of-tapping-inserts\"><strong>Standard Sizes of Tapping Inserts<\/strong><\/h3>\n\n\n<p>Below is a reference data table from <a href=\"https:\/\/www.mcmaster.com\/products\/inserts\/threaded-inserts-2~\/threaded-insert-type~tapping\/\" target=\"_blank\" rel=\"noreferrer noopener\">McMaster<\/a> highlighting different sizes for their plastic tapping inserts. For accurate insert sizing, reference your preferred manufacturer\u2019s specification sheets and use the table below as an example of the provided parameters.<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-582\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-582\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 19.5876%;\"><b>Thread Size (Metric)<\/b><\/td>\n<td style=\"width: 18.6856%;\"><b>Insert Length (mm)<\/b><\/td>\n<td style=\"width: 21.2629%;\"><b>Insert Diameter (mm)<\/b><\/td>\n<td style=\"width: 40.3351%;\"><b>Recommended Hole Size (mm): -0.00+0.10<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M2.5<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">4.5<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">4<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M3<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">5<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">4.5<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M3.5<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">6<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">5.3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M4<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">6.5<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">5.8<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M5<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">8<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">7.1<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M6<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">14<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">10<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">8.6<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M8<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">15<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">10.6<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M10<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">18<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">14<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">12.6<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 19.5876%;\"><span style=\"font-weight: 400;\">M12<\/span><\/td>\n<td style=\"width: 18.6856%;\"><span style=\"font-weight: 400;\">22<\/span><\/td>\n<td style=\"width: 21.2629%;\"><span style=\"font-weight: 400;\">16<\/span><\/td>\n<td style=\"width: 40.3351%;\"><span style=\"font-weight: 400;\">14.6<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-heat-set-inserts\"><strong>Heat-Set Inserts<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set.png\" alt=\"\" class=\"wp-image-103607\" style=\"max-width:350px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set-300x300.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set-150x150.png 150w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set-768x768.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set-84x84.png 84w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set-102x102.png 102w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Heat_Set.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Heat-set inserts, also referred to as heat-staking inserts, are heated and pressed into pre-molded holes in plastic parts. As the insert cools, it forms a strong bond with the surrounding plastic, creating a secure attachment point for fasteners.<\/p>\n\n\n\n<p>Heat-set inserts are well-suited for <a href=\"https:\/\/xometry.pro\/en-tr\/articles\/3d-printing-materials\/\">thermoplastics in 3D printing<\/a> since, upon installation, the thermoplastic undergoes melting and reflow around the insert. This process makes the plastic surrounding the insert stronger in that area, ensuring a firm connection between the metal insert and the thermoplastic material.<\/p>\n\n\n\n<p>Two primary methods for installing these inserts are heat-staking and ultrasonic insertion:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Heat-Staking:<\/strong> This process involves heating the insert with a thermal press. As the insert is pressed into the plastic part, it melts a small portion of the surrounding plastic. This softened resin flows into the knurl pattern on the insert and hardens once the thermal press is removed, forming a strong bond.<\/li>\n\n\n\n<li><strong>Ultrasonic Insertion:<\/strong> This method uses high-frequency vibrations to generate heat and melt the plastic around the hole. However, it is less commonly used because it requires precise control and is more challenging to automate than heat-staking.<\/li>\n<\/ul>\n\n\n\n<p>The two main types of knurl inserts for heat-staking\/ultrasonic installation, straight and tapered, offer flexibility depending on the application. Tapered inserts are particularly advantageous as they are self-aligning, making installation easier and faster.<\/p>\n\n\n    <section class=\"article-toggle-list-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"article-toggle-list\">\r\n                <div class=\"toggle-list-title\">Heat-Set Insert Applications<\/div>                <ul class=\"toggle-list\">\r\n                    <li class=\"toggle-list-item\">\u2022 Appliances: Heat-set plastic inserts are used to manufacture household appliances such as refrigerators, washing machines, and dishwashers. They provide secure mounting points for various components, including handles, hinges, and control panels, ensuring their functionality and longevity.<\/li><li class=\"toggle-list-item\">\u2022 Automotive and Aerospace: They are also used in the automotive and aerospace industries to join trims and plastic components.<\/li><li class=\"toggle-list-item\">\u2022 Medical Devices: Heat-set inserts are used to manufacture medical devices and equipment, creating sterile and hygienic attachment points in plastic housings, instrument panels, and enclosures. They meet strict regulatory requirements for medical device assembly and sterilization processes, ensuring product safety and reliability.<\/li>                <\/ul>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"standard-sizes-of-heatset-inserts\"><strong>Standard Sizes of Heat-Set Inserts<\/strong><\/h3>\n\n\n<p>Below is a reference data table from <a href=\"https:\/\/www.spirol.com\/product\/threaded-inserts-for-plastics\/heat-ultrasonic-inserts\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spirol<\/a> highlighting different sizes for their tapered hole (Series 19 short) heat\/ultrasonic insert. For accurate insert sizing, reference your preferred manufacturer\u2019s specification sheets and use the table below as an example of the provided parameters.<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-120\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-120\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%; height: 336px;\">\n<tbody>\n<tr style=\"height: 120px;\">\n<td style=\"width: 18.1701%; height: 120px;\"><b>Thread Size (Metric)\u00a0<\/b><\/td>\n<td style=\"width: 21.9072%; height: 120px;\"><b>A<\/b><\/p>\n<p><b>Overknurl Diameter (mm)<\/b><\/td>\n<td style=\"width: 17.7835%; height: 120px;\"><b>P<\/b><\/p>\n<p><b>Pilot Diameter (mm)<\/b><\/td>\n<td style=\"width: 11.8557%; height: 120px;\"><b>L<\/b><\/p>\n<p><b>Length (mm)<\/b><\/td>\n<td style=\"width: 30.1546%; height: 120px;\"><b>Recommended Hole Diameter (mm)<\/b><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><b>Tolerance &gt;<\/b><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">Ref.<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">+-0.08<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">+-0.13<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">+0.08<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><span style=\"font-weight: 400;\">M2 x 0.4<\/span><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">3.58<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">3.12<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">3.99<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">3.20<\/span><\/td>\n<\/tr>\n<tr style=\"height: 48px;\">\n<td style=\"width: 18.1701%; height: 48px;\"><span style=\"font-weight: 400;\">M2.5 x 0.45<br \/>\nM3 x 0.5<br \/>\n<\/span><\/td>\n<td style=\"width: 21.9072%; height: 48px;\"><span style=\"font-weight: 400;\">4.62<\/span><\/td>\n<td style=\"width: 17.7835%; height: 48px;\"><span style=\"font-weight: 400;\">3.91<\/span><\/td>\n<td style=\"width: 11.8557%; height: 48px;\"><span style=\"font-weight: 400;\">5.74<\/span><\/td>\n<td style=\"width: 30.1546%; height: 48px;\"><span style=\"font-weight: 400;\">3.99<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><span style=\"font-weight: 400;\">M3.5 x 0.6<\/span><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">5.41<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">4.70<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">7.14<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">4.78<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><span style=\"font-weight: 400;\">M4 x 0.7<\/span><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">6.25<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">5.54<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">8.15<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">5.61<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><span style=\"font-weight: 400;\">M5 x 0.8<\/span><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">7.04<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">6.32<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">9.53<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">6.40<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><span style=\"font-weight: 400;\">M6 x 1.0<\/span><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">8.64<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">7.92<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">12.70<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">8.00<\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 18.1701%; height: 24px;\"><span style=\"font-weight: 400;\">M8 x 1.25<\/span><\/td>\n<td style=\"width: 21.9072%; height: 24px;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<td style=\"width: 17.7835%; height: 24px;\"><span style=\"font-weight: 400;\">9.50<\/span><\/td>\n<td style=\"width: 11.8557%; height: 24px;\"><span style=\"font-weight: 400;\">12.70<\/span><\/td>\n<td style=\"width: 30.1546%; height: 24px;\"><span style=\"font-weight: 400;\">9.58<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-helical-helicoil-inserts\"><strong>Helical \/ Helicoil\u00ae Inserts<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil.png\" alt=\"\" class=\"wp-image-103619\" style=\"max-width:350px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil-300x300.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil-150x150.png 150w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil-768x768.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil-84x84.png 84w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil-102x102.png 102w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Helicoil.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Helical inserts, often called coil inserts or thread inserts, are coil-shaped inserts made from materials like stainless steel or brass. They are used to reinforce or repair threaded holes in plastic components that have become stripped or damaged. Helical inserts provide a durable and long-lasting solution for restoring the integrity of threaded connections in various applications.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"how-to-install-a-helical-insert\"><strong>How to Install a Helical Insert<\/strong><\/h3>\n\n\n<p>Installing a helical insert requires some additional work compared to other inserts, as you need to add a thread to your assembly to be able to screw in a helical insert.<\/p>\n\n\n\n<p>Here are the basic steps:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Drill a hole in the plastic component. Ensure the hole size matches the manufacturer&#8217;s specification sheet.<\/li>\n\n\n\n<li>Tap the hole using a tapping tool (sold at most insert manufacturers or hardware stores).<\/li>\n\n\n\n<li>Screw the insert into the hole using an installation tool (also sold at most insert manufacturers).<\/li>\n\n\n\n<li>Break off the insert prong using a punch or pushing a screwdriver through the insert.<\/li>\n<\/ol>\n\n\n    <section class=\"article-toggle-list-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"article-toggle-list\">\r\n                <div class=\"toggle-list-title\">Helical Insert Applications<\/div>                <ul class=\"toggle-list\">\r\n                    <li class=\"toggle-list-item\">\u2022 Repairing Stripped Threads: One of the primary applications of helical inserts is to repair stripped or damaged threads in metal or plastic components. By inserting a helical coil into the damaged hole, the original thread profile is restored, allowing for a secure and reliable connection with screws or bolts.<\/li><li class=\"toggle-list-item\">\u2022 Preventing Thread Wear: In applications where components are frequently assembled and disassembled, such as in machinery or equipment maintenance, helical inserts can help prevent wear and damage to threaded holes. By providing a more durable thread surface, helical inserts prolong the lifespan of components and reduce the need for costly repairs or replacements.<\/li><li class=\"toggle-list-item\">\u2022 Enhancing Load-Bearing Capacity: Helical inserts can increase the load-bearing capacity of threaded connections by distributing stress more evenly across the fastener and surrounding material. This is particularly useful in applications where components are subjected to high loads or vibrations, such as in aerospace, automotive, or industrial machinery.<\/li>                <\/ul>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"standard-sizes-of-helical-inserts\"><strong>Standard Sizes of Helical Inserts<\/strong><\/h3>\n\n\n<p>Below is a reference data table from <a href=\"https:\/\/www.mcmaster.com\/products\/inserts\/\" target=\"_blank\" rel=\"noreferrer noopener\">McMaster<\/a> highlighting different sizes for their stainless steel helical insert. For accurate insert sizing, reference your preferred manufacturer\u2019s specification sheets and use the table below as an example of the provided parameters.<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-334\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-334\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 23.3247%;\"><b>Thread Size (Metric)<\/b><\/td>\n<td style=\"width: 25.5155%;\"><b>Installed Length (mm)<\/b><\/td>\n<td style=\"width: 21.3918%;\"><b>Drill Bit Size (mm)<\/b><\/td>\n<td style=\"width: 29.768%;\"><b>For Max Hole Diam. (mm)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.3247%;\"><span style=\"font-weight: 400;\">M3 x 0.5<\/span><\/td>\n<td style=\"width: 25.5155%;\"><span style=\"font-weight: 400;\">3<\/span><\/td>\n<td style=\"width: 21.3918%;\"><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<td style=\"width: 29.768%;\"><span style=\"font-weight: 400;\">3.2<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.3247%;\"><span style=\"font-weight: 400;\">M4 x 0.7<\/span><\/td>\n<td style=\"width: 25.5155%;\"><span style=\"font-weight: 400;\">12<\/span><\/td>\n<td style=\"width: 21.3918%;\"><span style=\"font-weight: 400;\">4.2<\/span><\/td>\n<td style=\"width: 29.768%;\"><span style=\"font-weight: 400;\">4.2<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.3247%;\"><span style=\"font-weight: 400;\">M5 x 0.8<\/span><\/td>\n<td style=\"width: 25.5155%;\"><span style=\"font-weight: 400;\">12.5<\/span><\/td>\n<td style=\"width: 21.3918%;\"><span style=\"font-weight: 400;\">5.3<\/span><\/td>\n<td style=\"width: 29.768%;\"><span style=\"font-weight: 400;\">5.3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.3247%;\"><span style=\"font-weight: 400;\">M6 x 1.0<\/span><\/td>\n<td style=\"width: 25.5155%;\"><span style=\"font-weight: 400;\">15<\/span><\/td>\n<td style=\"width: 21.3918%;\"><span style=\"font-weight: 400;\">6.3<\/span><\/td>\n<td style=\"width: 29.768%;\"><span style=\"font-weight: 400;\">6.3<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.3247%;\"><span style=\"font-weight: 400;\">M8 x 1.25<\/span><\/td>\n<td style=\"width: 25.5155%;\"><span style=\"font-weight: 400;\">16<\/span><\/td>\n<td style=\"width: 21.3918%;\"><span style=\"font-weight: 400;\">8.4<\/span><\/td>\n<td style=\"width: 29.768%;\"><span style=\"font-weight: 400;\">8.4<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 23.3247%;\"><span style=\"font-weight: 400;\">M10 x 1.5<\/span><\/td>\n<td style=\"width: 25.5155%;\"><span style=\"font-weight: 400;\">20<\/span><\/td>\n<td style=\"width: 21.3918%;\"><span style=\"font-weight: 400;\">10.5<\/span><\/td>\n<td style=\"width: 29.768%;\"><span style=\"font-weight: 400;\">10.5<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-molded-in-inserts\"><strong>Molded-In Inserts<\/strong><\/h2>\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In.png\" alt=\"\" class=\"wp-image-103631\" style=\"max-width:350px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In-300x300.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In-150x150.png 150w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In-768x768.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In-84x84.png 84w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In-102x102.png 102w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Molded_In.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Molded-in threaded inserts are used in the <a href=\"https:\/\/xometry.pro\/en-tr\/articles\/injection-moulding-overview\/\">injection molding process<\/a>, where pins are machined or inserted into the mold core. During the molding process, the inserts are completely encapsulated with the resin, resulting in a high bond quality and eliminating the need for additional insertion steps post-molding.&nbsp;<\/p>\n\n\n\n<p>However, the process demands a more complex core design with precise tolerances between the pins and inserts. Additionally, placing the inserts for each cycle can be time-consuming.<\/p>\n\n\n\n<p>Despite the higher initial costs compared to post-mold installation processes, molded inserts offer superior performance. Their design significantly impacts pull-out resistance and torque, particularly the length and diameter. Helical knurls are often preferred to maximise torque resistance for a given diameter. Proper plastic encapsulation in the insert&#8217;s undercuts is essential for achieving the necessary pull-out resistance during service.<\/p>\n\n\n    <section class=\"article-toggle-list-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"article-toggle-list\">\r\n                <div class=\"toggle-list-title\">Molded-In Insert Applications<\/div>                <ul class=\"toggle-list\">\r\n                    <li class=\"toggle-list-item\">\u2022 Securing Components in Plastic Assemblies: One of the primary applications of molded-in inserts is to provide strong and durable threaded connections in plastic assemblies. By embedding the insert during the molding process, the plastic component can securely hold screws or bolts, preventing thread stripping and loosening. This application is crucial in consumer electronics, automotive interiors, and household appliances where reliable fastenings are essential.<\/li><li class=\"toggle-list-item\">\u2022 Improving Mechanical Strength and Durability: Molded-in inserts enhance the mechanical strength and durability of plastic parts by providing metal-to-metal connections. This is especially important in applications requiring frequent assembly and disassembly or where the parts are subjected to high stress and loads. Industries such as aerospace, automotive, and medical devices utilize molded-in inserts to ensure components can withstand rigorous use without degrading the plastic material.<\/li><li class=\"toggle-list-item\">\u2022 Providing Electrical and Thermal Conductivity: Molded-in inserts can also provide electrical and thermal conductivity in plastic components. By integrating conductive inserts, plastic parts can be designed to facilitate grounding, shielding, or heat dissipation. This application is particularly useful in the electronics and telecommunications industries, where maintaining electrical performance and managing heat is critical for the functionality and longevity of devices.<\/li>                <\/ul>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n<h4 class=\"wp-block-heading\" id=\"standard-sizes-of-moldedin-inserts\"><strong>Standard Sizes of Molded-In Inserts<\/strong><\/h4>\n\n\n<p>Below is a reference data table from <a href=\"https:\/\/www.spirol.com\/product\/threaded-inserts-for-plastics\/molded-in-inserts\/\" target=\"_blank\" rel=\"noreferrer noopener\">Spirol<\/a> highlighting different sizes for their aluminium through-hole molded-in inserts (Series 63). For accurate insert sizing, reference your preferred manufacturer\u2019s specification sheets and use the table below as an example of the provided parameters.<\/p>\n\n\n<div class=\"custom-table-block table-with-white-space\" id=\"table-id-50\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-50\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 25.1289%;\"><b>Thread Size (Metric)\u00a0<\/b><\/td>\n<td style=\"width: 26.1598%;\"><b>A<\/b><\/p>\n<p><b>Outer Diameter (mm)<\/b><\/td>\n<td style=\"width: 15.8505%;\"><b>L<\/b><\/p>\n<p><b>Length (mm)<\/b><\/td>\n<td style=\"width: 32.732%;\"><b>L<\/b><\/p>\n<p><b>Min. Minor Diameter (mm)<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.1289%;\"><b>Tolerance &gt;<\/b><\/td>\n<td style=\"width: 26.1598%;\"><span style=\"font-weight: 400;\">Ref.<\/span><\/td>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">+-0.13<\/span><\/td>\n<td style=\"width: 32.732%;\"><span style=\"font-weight: 400;\">&#8211;<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.1289%;\"><span style=\"font-weight: 400;\">M4 x 0.7<\/span><\/td>\n<td style=\"width: 26.1598%;\"><span style=\"font-weight: 400;\">6.90<\/span><\/td>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">6.50<\/span><\/td>\n<td style=\"width: 32.732%;\"><span style=\"font-weight: 400;\">3.289<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.1289%;\"><span style=\"font-weight: 400;\">M5 x 0.8<\/span><\/td>\n<td style=\"width: 26.1598%;\"><span style=\"font-weight: 400;\">7.85<\/span><\/td>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">8.25<\/span><\/td>\n<td style=\"width: 32.732%;\"><span style=\"font-weight: 400;\">4.229<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.1289%;\"><span style=\"font-weight: 400;\">M6 x 1.0<\/span><\/td>\n<td style=\"width: 26.1598%;\"><span style=\"font-weight: 400;\">9.33<\/span><\/td>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">10.00<\/span><\/td>\n<td style=\"width: 32.732%;\"><span style=\"font-weight: 400;\">4.991<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25.1289%;\"><span style=\"font-weight: 400;\">M8 x 1.25<\/span><\/td>\n<td style=\"width: 26.1598%;\"><span style=\"font-weight: 400;\">11.75<\/span><\/td>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">11.75<\/span><\/td>\n<td style=\"width: 32.732%;\"><span style=\"font-weight: 400;\">6.769<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"how-to-choose-the-right-insert\"><strong>How to Choose the Right Insert<\/strong><\/h2>\n\n\n<p>Here are a few key considerations to keep in mind when selecting an insert type for your parts:<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"strength-requirements-pullout-and-torque\"><strong>Strength Requirements (Pull-Out and Torque)<\/strong><\/h3>\n\n\n<p>The key strength factors for inserts are their resistance to being pulled out of the part (pull-out force) and twisting within the part when the mating fastener is torqued (torque-out force). A longer insert increases pull-out resistance, while a larger diameter insert enhances torque capacity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1000\" height=\"742\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-tensile-strength-rotational-torque.png\" alt=\"\" class=\"wp-image-41549\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-tensile-strength-rotational-torque.png 1000w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-tensile-strength-rotational-torque-300x223.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-tensile-strength-rotational-torque-768x570.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-tensile-strength-rotational-torque.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-tensile-strength-rotational-torque.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n\n<p>Due to the complexity of component design and the wide variety of options, it can be difficult to calculate the exact pull-out and torque forces for a specific application. This would require physical testing. However, a close approximation can be calculated using the von Mises yield criterion.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"materials\"><strong>Materials<\/strong><\/h3>\n\n\n<p>Both the plastic material and the insert material matter, depending on the application. Heat-staking and ultrasonic inserts only work with thermoplastics. For thermosets, the options are molding in the insert, or cold pressing the insert in later, where the elasticity of the resin material will become critical.&nbsp;<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-tr\/articles\/cnc-machining-polymers\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/abs-cnc-machined-part.webp\" alt=\"ABS CNC machined part\"><\/a><a href=\"https:\/\/xometry.pro\/en-tr\/articles\/cnc-machining-polymers\/\" class=\"aside-link\">CNC Machining of Polymers<\/a>    <\/aside>\r\n    \n\n\n<p>The most common material for threaded inserts is brass. However, lead-free alternatives such as stainless steel or aluminium are becoming more popular due to increasing sustainability requirements. Stainless steel offers better strength and corrosion resistance, and aluminium inserts are about 70% lighter than brass.<\/p>\n\n\n\n<p>Use the below table as a reference, but ensure you check with your preferred manufacturer on the best plastic to use for a specific insert series. Also, it is advised to determine the shear strength of your material to know whether it can handle the torque or pull-out resistance of your application.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"812\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials-1024x812.png\" alt=\"\" class=\"wp-image-41523\" style=\"max-width:727px;height:auto\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials-1024x812.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials-300x238.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials-768x609.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials-1536x1219.png 1536w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials-2048x1625.png 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-insert-types-by-materials.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"cost\"><strong>Cost<\/strong><\/h3>\n\n\n<p>Because threaded inserts can be molded into the part at the outset, or pressed into the part later, consider the total cost of the operation. That includes molding time and cost, component handling, and assembly. For example, opting for molded-in inserts may not be the most cost-effective option if you are only creating prototypes to test basic functionality.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"manufacturing-technology\"><strong>Manufacturing Technology<\/strong><\/h3>\n\n\n<p>The manufacturing technology used to produce a plastic part should be considered when adding threaded inserts for a particular application.<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-eu\/articles\/cnc-machining-vs-3d-printing\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/12\/AM-vs-SM.webp\" alt=\"CNC machining vs. 3D printing\"><\/a><a href=\"https:\/\/xometry.pro\/en-eu\/articles\/cnc-machining-vs-3d-printing\/\" class=\"aside-link\">Polymer CNC Machining vs. 3D Printing: Checklist To Choose the Right One<\/a>    <\/aside>\r\n    \n\n<div class=\"custom-table-block \" id=\"table-id-811\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-811\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 15.8505%;\"><b>Technology<\/b><\/td>\n<td style=\"width: 39.9485%;\"><b>Insert Placement Methods<\/b><\/td>\n<td style=\"width: 44.0722%;\"><b>Special Considerations for Inserts<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">Injection Molding<\/span><\/td>\n<td style=\"width: 39.9485%;\"><span style=\"font-weight: 400;\">Molded-in inserts placed before injection<\/span><\/td>\n<td style=\"width: 44.0722%;\"><span style=\"font-weight: 400;\">Ensures strong bonds and precise placement<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">CNC Machining<\/span><\/td>\n<td style=\"width: 39.9485%;\"><span style=\"font-weight: 400;\">Post-molding: press-fit, tapping, heat-set<\/span><\/td>\n<td style=\"width: 44.0722%;\"><span style=\"font-weight: 400;\">Suitable for tight tolerances<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 15.8505%;\"><span style=\"font-weight: 400;\">3D printing<\/span><\/td>\n<td style=\"width: 39.9485%;\"><span style=\"font-weight: 400;\">During printing or post printing: heat-seat, press-fit<\/span><\/td>\n<td style=\"width: 44.0722%;\"><span style=\"font-weight: 400;\">Requires higher infill around insert location for strength<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n    <section class=\"article-author-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <div class=\"author-block\">\r\n                                        <div class=\"author-info\">\r\n                            <h4 class=\"author-name\">Ryan Stevens<\/h4>\r\n                            <p class=\"author-position\">Mechanical Engineer &#038; Technical Writer<\/p>\r\n                        <\/div>\r\n                                    <\/div>\r\n                <div class=\"quote-block\" style=\"border-color: #0E6AED;\">\r\n                    <p>Keep in mind that a higher infill is needed around the location where a threaded insert will be used to ensure adequate strength. Without this infill, an insert could cut\/break through the thin wall of the hole and cause the insert to fall out.<\/p>\n                <\/div>\r\n        <\/div>\r\n    <\/section>\r\n\n\n<h3 class=\"wp-block-heading\" id=\"h-threaded-inserts-3d-printing\"><strong>Threaded Inserts 3D Printing<\/strong><\/h3>\n\n<div class=\"custom-table-block \" id=\"table-id-89\" >\r\n\t<div class=\"search-input-wrapper\">\r\n\t\t<svg width=\"16\" height=\"16\" viewBox=\"0 0 16 16\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\r\n\t\t\t<path d=\"M15.7812 13.833L12.6659 10.7177C12.5252 10.5771 12.3346 10.499 12.1347 10.499H11.6253C12.4877 9.39596 13.0002 8.00859 13.0002 6.49937C13.0002 2.90909 10.0911 0 6.50083 0C2.91056 0 0.00146484 2.90909 0.00146484 6.49937C0.00146484 10.0896 2.91056 12.9987 6.50083 12.9987C8.01006 12.9987 9.39742 12.4863 10.5004 11.6239V12.1332C10.5004 12.3332 10.5786 12.5238 10.7192 12.6644L13.8345 15.7797C14.1282 16.0734 14.6032 16.0734 14.8938 15.7797L15.778 14.8954C16.0718 14.6017 16.0718 14.1267 15.7812 13.833ZM6.50083 10.499C4.29167 10.499 2.50122 8.71165 2.50122 6.49937C2.50122 4.29021 4.28855 2.49976 6.50083 2.49976C8.70999 2.49976 10.5004 4.28708 10.5004 6.49937C10.5004 8.70852 8.71311 10.499 6.50083 10.499Z\" fill=\"#476175\"\/>\r\n\t\t<\/svg>\r\n\t\t<input type=\"search\" class=\"table-search-input\" id=\"table-search-89\" placeholder=\"Table search\">\r\n\t<\/div>\t\r\n\t<div class=\"table-wrapper\">\r\n\t\t<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 21.5206%;\"><b>3D Printing Technology<\/b><\/td>\n<td style=\"width: 30.4124%;\"><b>Insert Placement Methods<\/b><\/td>\n<td style=\"width: 47.9381%;\"><b>Special Considerations for Inserts<\/b><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">MJF<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">Post printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">Higher infill needed around inserts for strength\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">FDM<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">During or post-printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">Layer lines may affect precision, higher infill needed around inserts\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">SLS<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">Post-printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">Strong parts, higher infill needed around inserts<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">SLA<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">Post-printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">Smooth surface finish, higher infill needed around inserts<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">DMLS<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">Post-printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">Suitable for metal parts, higher infill needed around inserts<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">Carbon DLS<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">Post-printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">Fast production, strong parts, higher infill needed around inserts<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 21.5206%;\"><span style=\"font-weight: 400;\">Polyjet<\/span><\/td>\n<td style=\"width: 30.4124%;\"><span style=\"font-weight: 400;\">Post-printing: heat-set, press-fit<\/span><\/td>\n<td style=\"width: 47.9381%;\"><span style=\"font-weight: 400;\">High resolution, higher infill needed around inserts<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t<\/div>\r\n<\/div>\r\n<style>\r\n\t.custom-table-block table{\r\n\t\theight: initial!important;\r\n\t}\r\n\t.search-input-wrapper{\r\n\t\tposition: relative;\r\n\t\tmargin-bottom: 24px;\r\n\t}\r\n\t.search-input-wrapper svg{\r\n\t\tposition: absolute;\r\n\t\ttop:50%;\r\n\t\tleft:12px;\r\n\t\ttransform: translateY(-50%);\r\n\t}\r\n\t.table-search-input{\r\n\t\tpadding: 0 0 0 40px;\r\n\t\tborder:1px solid #C1CAD1;\r\n\t\theight: 44px;\r\n\t\twidth: 201px;\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t}\r\n\t.table-search-input::placeholder{\r\n\t\tcolor:#092C47;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\ttext-align: left;\r\n\t\twhite-space:nowrap;\r\n\t}\r\n\t\r\n\t.custom-table-block thead{\r\n\t\tmargin-bottom: 14px;\r\n\t}\r\n\r\n\t.custom-table-block tbody tr:nth-child(odd){\r\n\t\tbackground-color: #F6F9FF;\r\n\t}\r\n\r\n\t.custom-table-block tbody, .custom-table-block thead, .custom-table-block tr, .custom-table-block td, .custom-table-block th{\r\n\t\theight: initial!important;\r\n\t}\r\n\t\r\n\t.custom-table-block tbody td{\r\n\t\tcolor:#092C47;\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 400;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tpadding: 7px;\r\n\t}\r\n\t\r\n\t.custom-table-block thead th{\r\n\t\tfont-family: Open Sans;\r\n\t\tfont-size: 16px;\r\n\t\tfont-weight: 700;\r\n\t\tline-height: 24px;\r\n\t\tletter-spacing: 0em;\r\n\t\ttext-align: left;\r\n\t\tcolor:#092C47;\r\n\t\tposition: relative;\r\n\t}\r\n\t.custom-table-block thead th:after{\r\n\t\tcontent:\"\";\r\n\t\tdisplay: inline-block;\r\n\t\tbackground-image: url(\"data:image\/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Cpath d='M10.585 0.585938L6 5.17094L1.415 0.585938L0 2.00094L6 8.00094L12 2.00094L10.585 0.585938Z' fill='%23476175'\/%3E%3C\/svg%3E%0A\");\r\n\t\tmargin-left: 8px;\r\n\t\tbackground-position: center center;\r\n\t\tbackground-size: 12px 7.5px;\r\n\t\tbackground-repeat: no-repeat;\r\n\t\twidth: 24px;\r\n\t\theight: 12px;\r\n\t}\r\n\t.custom-table-block{\r\n\t\tmargin: 20px 0;\t\r\n\t}\r\n\t.custom-table-block .table-wrapper{\r\n\t\twidth: 100%;\r\n\t\toverflow-x: auto;\r\n\t}\r\n\t@media(max-width: 768px){\r\n\t\t\/* .custom-table-block tbody td{\r\n\t\t\twhite-space: nowrap;\r\n\t\t} *\/\r\n\t\t.custom-table-block .table-wrapper{\r\n\t\t\tmax-width: calc(100vw - 16px);\r\n\t\t}\r\n\t}\r\n<\/style>\r\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-to-pay-attention-to-when-reading-manufacturer-s-specification-charts\"><strong>What to Pay Attention to When Reading Manufacturer\u2019s Specification Charts<\/strong><\/h2>\n\n\n<p>The standard sizes of inserts depend on the manufacturer and can vary significantly. Here are a few key pieces of data to look out for when reading a specification chart.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><h3 class=\"wp-block-heading\" id=\"material\"><strong>Material<\/strong><\/h3>\n\n\n<p>Material options for inserts include brass inserts made with lead, brass alloy inserts, aluminium inserts, and 303 stainless steel inserts:&nbsp;&nbsp;<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aluminium inserts are 70% lighter than their brass and stainless steel counterparts, offer good corrosion resistance and are lead-free. Their lead-free composition also allows for safe recycling.<\/li>\n\n\n\n<li>303 stainless steel inserts are the strongest among brass and aluminium options. They have good corrosion resistance and are lead-free, making them safe for recycling.&nbsp;<\/li>\n\n\n\n<li>Brass inserts made with lead offer greater strength than aluminium and other brass alloys, though they are not as strong as 303 stainless steel inserts. They also provide good corrosion resistance.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"794\" height=\"1024\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol-794x1024.png\" alt=\"Sample insert datasheet from Spirol\" class=\"wp-image-41561\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol-794x1024.png 794w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol-233x300.png 233w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol-768x991.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol.png 831w\" sizes=\"(max-width: 794px) 100vw, 794px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol.png\" data-fancybox=\"gallery-41842\" data-caption=\"Sample insert datasheet from Spirol\" aria-label=\"Open full image\"><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/sample-insert-datasheet-from-Spirol.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><figcaption class=\"wp-element-caption\">Sample insert datasheet from Spirol<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\" id=\"drill-bit-and-hole-size\"><strong>Drill Bit and Hole Size<\/strong><\/h3>\n\n\n<p>Insert specification charts will provide the correct drill size and maximum hole diameter recommended to avoid decreased performance. However, making the hole too small will induce undesired stresses and potential cracks in the plastic. Some manufacturers include a plus\/minus tolerance to work within for optimal insert performance.<\/p>\n\n\n\n<p>The diameter of the clearance hole in the mating component is also important. The insert, not the plastic, must carry the load. The hole in the mating component must be larger than the outside diameter of the assembly screw but smaller than the pilot or face diameter of the Insert. This prevents jack-out.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><div class=\"wp-block-image__wrap\"><img decoding=\"async\" width=\"1024\" height=\"338\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size-1024x338.png\" alt=\"\" class=\"wp-image-41573\" style=\"max-width:600px\" srcset=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size-1024x338.png 1024w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size-300x99.png 300w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size-768x253.png 768w, https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size.png 1297w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size.png\" data-fancybox=\"gallery-41842\" data-caption=\"\" aria-label=\"Open full image\"0><img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/EN-drill-bit-hole-size.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\"><svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n               <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"\/>\r\n             <\/svg><\/a><\/div><\/figure>\n\n\n<h3 class=\"wp-block-heading\" id=\"tapered-or-straight-hole\"><strong>Tapered or Straight Hole<\/strong><\/h3>\n\n\n<p>Straight inserts should be used in straight holes, and tapered inserts should be used in tapered holes. The manufacturer will state what degree of taper a hole should have for a specific insert. However, the standard recommendation is a taper of no more than 1 degree for straight holes and 8 degrees for tapered holes.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"hole-length\"><strong>Hole Length<\/strong><\/h3>\n\n\n<p>Holes should always be deeper than the length of the insert, and the assembly screw should never reach the bottom of a hole as jack-out would result (i.e., the insert will strip out the hole).&nbsp;<\/p>\n\n\n\n<p>Manufacturers supply different-length inserts, so ensure you note the installed length. As a general rule of thumb, self-tapping inserts should be inserted into a hole with a minimum depth of 1.2 times the length of the insert. The minimum hole depth for other inserts should be the insert length plus 2 insert thread pitches.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"boss-diameter\"><strong>Boss Diameter<\/strong><\/h3>\n\n\n<p>The boss diameter (or wall thickness) refers to the raised section around the hole where the insert will be installed. This dimension is crucial to avoid bulging during installation. If a thicker wall around a hole cannot be achieved, adding ribs is an option to ensure optimal insert performance.&nbsp;<\/p>\n\n\n\n<p>When viewing the manufacturer\u2019s specification sheet, a recommended boss diameter is sometimes included. However, if not, design the boss diameter 2 to 3 times the insert diameter (sometimes called overknurl diameter).<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"thread-size\"><strong>Thread Size<\/strong><\/h3>\n\n\n<p>Thread size refers to the inner thread of the insert, which determines what assembly screw will be used. Metric, UNC (Unified National Coarse), and UNF (Unified National Fine) thread sizes are available. UNC\/UNF is primarily used in the United States.<\/p>\n\n\n\n<p>Metric thread sizes are denoted by the letter \u201cM\u201d followed by the nominal diameter in millimetres. The pitch (distance between threads) can be specified but is sometimes omitted for coarse threads.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>M10 x 1.25 &#8211; nominal diameter of 10 mm with a pitch of 1.25 mm.<\/li>\n\n\n\n<li>M4 &#8211; nominal diameter of 4 mm with a standard pitch (0.7 mm if coarse).&nbsp;<\/li>\n<\/ul>\n\n\n<h3 class=\"wp-block-heading\" id=\"knurl-design\"><strong>Knurl Design<\/strong><\/h3>\n\n\n<p>Knurls are essential for enhancing resistance to torque in various applications and are common on screw-to-expand, press-fit, and heat-set inserts. Straight knurls are generally preferred over diamond knurls due to their superior design. Coarser knurls, while increasing torque resistance, induce greater stress on plastic materials. Therefore, selecting the appropriate knurl coarseness is crucial to balance performance and material integrity.<\/p>\n\n\n\n<p>The circumference of the insert is a key factor in determining the knurl pitch, which imposes practical limitations on the design of knurls. Helical knurls, in contrast to straight knurls, offer different benefits. While they lower torque resistance, they significantly increase axial pull-out resistance. Knurl angles between 30 and 45 degrees positively impact pull-out resistance with minimal torque loss.&nbsp;<\/p>\n\n\n\n<p>In practice, several knurl bands with different helix angles can be combined on the same insert to achieve an optimal combination of torque and pull-out resistance. This multi-band approach allows for fine-tuning performance characteristics to meet specific application requirements.<\/p>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-to-get-plastic-parts-with-inserts-ordered-at-xometry\"><strong>How to Get Plastic Parts With Inserts Ordered at Xometry<\/strong><\/h2>\n\n\n<p>On <a href=\"https:\/\/xometry.com.tr\/en\/\" target=\"_blank\" rel=\"noreferrer noopener\">Xometry&#8217;s manufacturing sourcing platform<\/a>, we have the capabilities to produce high-quality 3D prints in a variety of plastics, and pre-drill holes ready for any standard inserts. Need threaded inserts for plastics selected and added for you? We\u2019ll do that too in order to meet your specific part strength requirements.&nbsp;<\/p>\n\n\n    <aside class=\"article-content-aside\">\r\n        <a href=\"https:\/\/xometry.pro\/en-tr\/articles\/prepare-technical-drawing\/\" class=\"aside-image sidebar__aside-image\"><img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/10\/technical-drawing.jpeg\" alt=\"\"><\/a><a href=\"https:\/\/xometry.pro\/en-tr\/articles\/prepare-technical-drawing\/\" class=\"aside-link\">How to Prepare a Perfect Technical Drawing<\/a>    <\/aside>\r\n    \n\n\n<p>Whether you need components manufactured through <a href=\"https:\/\/xometry.com.tr\/en\/cnc-machining\/\" target=\"_blank\" rel=\"noreferrer noopener\">CNC machining<\/a>, <a href=\"https:\/\/xometry.com.tr\/en\/3d-printing\/\" target=\"_blank\" rel=\"noreferrer noopener\">3D printing<\/a>, or <a href=\"https:\/\/xometry.com.tr\/en\/injection-molding\/\" target=\"_blank\" rel=\"noreferrer noopener\">injection molding<\/a>, our platform offers instant and manual quoting for a selection of thermoplastics and thermoset plastics.<\/p>\n\n\n<h3 class=\"wp-block-heading\" id=\"h-setting-threads-and-inserts-on-xometry-s-instant-quoting-engine\"><strong>Setting Threads and Inserts on Xometry\u2019s Instant Quoting Engine<\/strong><\/h3>\n\n    <section class=\"article-slider-block\">\r\n        <div class=\"article-content-wrapper\">\r\n            <!-- Swiper -->\r\n            <div class=\"swiper mySwiper2 article-slider-display\">\r\n                <div class=\"swiper-wrapper\">\r\n                                                <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/set-number-of-threads-and-inserts-1.png\" alt=\"Identifying the number of needed threads and inserts on the part page\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/set-number-of-threads-and-inserts-1.png\" data-fancybox=\"gallery\" data-caption=\"Step 1: Set the Number of Threads and Inserts\n\nNavigate to the part specifications page.\nLocate the section for setting the number of threads and inserts.\nEnter the required numbers for threads and inserts (in the Advanced Features section)\" aria-label=\"Open full image\"1>\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/set-number-of-threads-and-inserts-1.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Identifying the number of needed threads and inserts on the part page\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><strong>Step 1: Set the Number of Threads and Inserts<\/strong><\/p>\n<ol>\n<li>Navigate to the part specifications page.<\/li>\n<li>Locate the section for setting the number of threads and inserts.<\/li>\n<li>Enter the required numbers for threads and inserts (in the Advanced Features section)<\/li>\n<\/ol>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/upload-technical-drawing-1.png\" alt=\"Xometry\u2019s system asks you to upload a technical drawing after you identified the number of needed inserts\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/upload-technical-drawing-1.png\" data-fancybox=\"gallery\" data-caption=\"Step 2: Upload a Technical Drawing\n\nAfter setting the number of threads and inserts, you will be prompted to upload a technical drawing.\nUse the drop zone for uploading additional files to add your relevant technical drawings.\" aria-label=\"Open full image\"2>\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/upload-technical-drawing-1.png\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"Xometry\u2019s system asks you to upload a technical drawing after you identified the number of needed inserts\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><strong>Step 2: Upload a Technical Drawing<\/strong><\/p>\n<ol>\n<li>After setting the number of threads and inserts, you will be prompted to upload a technical drawing.<\/li>\n<li>Use the drop zone for uploading additional files to add your relevant technical drawings.<\/li>\n<\/ol>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                                        <div class=\"swiper-slide\">\r\n                                <div class=\"wp-block-image__wrap\">\r\n                                    <img decoding=\"async\"  src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/10\/technical-drawing.jpeg\" alt=\"\"\r\n                                    >\r\n                                    <a class=\"wp-block-image__fancy-box-button\" href=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/10\/technical-drawing.jpeg\" data-fancybox=\"gallery\" data-caption=\"Step 3: Ensure Your Technical Drawing is Detailed\n\nMake sure your technical drawing includes all the necessary details for the inserts, such as their location, inner diameter of the required thread (e.g. M3), orientation, depth, and face.\nClearly define these details to avoid any confusion or delays in the manufacturing process.\" aria-label=\"Open full image\"3>\r\n                                        <img src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/10\/technical-drawing.jpeg\" class=\"wp-block-image__fancy-box-button-thumbnail wp-post-image\" alt=\"\" loading=\"lazy\" decoding=\"async\">\r\n                                        <svg class=\"wp-block-image__fancy-box-button-icon\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\" fill=\"none\" aria-hidden=\"true\">\r\n                                            <path d=\"M0 2V6H2V2H6V0H2C0.895 0 0 0.895 0 2ZM2 12H0V16C0 17.105 0.895 18 2 18H6V16H2V12ZM16 16H12V18H16C17.105 18 18 17.105 18 16V12H16V16ZM16 0H12V2H16V6H18V2C18 0.895 17.105 0 16 0Z\" fill=\"#092C47\"><\/path>\r\n                                        <\/svg>\r\n                                    <\/a>\r\n                                <\/div>\r\n                                <div class=\"article-slider-text\">\r\n                                    <p><strong>Step 3: Ensure Your Technical Drawing is Detailed<\/strong><\/p>\n<ol>\n<li>Make sure your technical drawing includes all the necessary details for the inserts, such as their location, inner diameter of the required thread (e.g. M3), orientation, depth, and face.<\/li>\n<li>Clearly define these details to avoid any confusion or delays in the manufacturing process.<\/li>\n<\/ol>\n                                <\/div>\r\n                            <\/div>\r\n                            \r\n                                            <\/div>\r\n            <\/div>\r\n            <div thumbsSlider=\"\" class=\"swiper mySwiper article-slider-list\">\r\n                <div class=\"swiper-wrapper\">\r\n                                            <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/set-number-of-threads-and-inserts-1.png\" alt=\"Identifying the number of needed threads and inserts on the part page\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/upload-technical-drawing-1.png\" alt=\"Xometry\u2019s system asks you to upload a technical drawing after you identified the number of needed inserts\">\r\n                        <\/div>\r\n                                                <div class=\"swiper-slide\">\r\n                            <img decoding=\"async\" src=\"https:\/\/xometry.pro\/wp-content\/uploads\/2023\/10\/technical-drawing.jpeg\" alt=\"\">\r\n                        <\/div>\r\n                                        <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/section>\r\n    \n\n\n<p><em><strong>Note<\/strong>: If you skip the step of uploading a drawing and proceed with ordering your part, our sales engineers will contact you later to clarify the information about your inserts.<\/em><\/p>\n\n\n\n<p>Do you doubt the process and material? Check out our <a href=\"https:\/\/xometry.pro\/en-tr\/materials\/\">materials library<\/a> and our <a href=\"https:\/\/xometry.pro\/en-tr\/tools\/3d-printing-decision-guide\/\">3D printing materials decision tool<\/a>. Then, simply <a href=\"https:\/\/get.xometry.com.tr\/?locale=en\" target=\"_blank\" rel=\"noreferrer noopener\">upload your CAD file to our Instant Quoting Engine<\/a> and receive a quote in a few clicks.<\/p>\n","protected":false},"author":50,"featured_media":103685,"comment_status":"open","ping_status":"closed","template":"","categories":[],"c-tag-articles":[],"global-tag":[729,495,615,693],"class_list":["post-41842","articles","type-articles","status-publish","has-post-thumbnail","hentry","global-tag-cnc-machining-tr","global-tag-3d-printing-tr","global-tag-injection-molding-tr","global-tag-design-tr"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Threaded Inserts for Plastics: Types and Selection Tips | Xometry Pro<\/title>\n<meta name=\"description\" content=\"Learn about threaded inserts for plastics, their types, applications, and how to choose inserts for your needs, ensuring enhanced durability.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/xometry.pro\/en-tr\/articles\/threaded-inserts-for-plastics\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Threaded Inserts for Plastics: Types and Selection Tips | Xometry Pro\" \/>\n<meta property=\"og:description\" content=\"Learn about threaded inserts for plastics, their types, applications, and how to choose inserts for your needs, ensuring enhanced durability.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/xometry.pro\/en-tr\/articles\/threaded-inserts-for-plastics\/\" \/>\n<meta property=\"og:site_name\" content=\"Xometry Pro\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-09T14:05:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/xometry.pro\/wp-content\/uploads\/2024\/07\/Threaded_Inserts.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1920\" \/>\n\t<meta property=\"og:image:height\" content=\"1010\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/\",\"url\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/\",\"name\":\"Threaded Inserts for Plastics: Types and Selection Tips | Xometry Pro\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/Threaded_Inserts.png\",\"datePublished\":\"2024-07-09T13:24:35+00:00\",\"dateModified\":\"2026-02-09T14:05:40+00:00\",\"description\":\"Learn about threaded inserts for plastics, their types, applications, and how to choose inserts for your needs, ensuring enhanced durability.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/#breadcrumb\"},\"inLanguage\":\"en-TR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-TR\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/#primaryimage\",\"url\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/Threaded_Inserts.png\",\"contentUrl\":\"https:\\\/\\\/xometry.pro\\\/wp-content\\\/uploads\\\/2024\\\/07\\\/Threaded_Inserts.png\",\"width\":1920,\"height\":1010},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/threaded-inserts-for-plastics\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Articles\",\"item\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/articles\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Design\",\"item\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/global-tag\\\/design-tr\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Threaded Inserts for Plastics: Types, Comparison and Selection Tips\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/#website\",\"url\":\"https:\\\/\\\/xometry.pro\\\/en-tr\\\/\",\"name\":\"Xometry Pro\",\"description\":\"Knowledge &amp; 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