1.0Xometry Prohttps://xometry.pro/en-uk/rich600338<blockquote class="wp-embedded-content" data-secret="CIjy6BrNJB"><a href="https://xometry.pro/en-uk/articles/cylindricity-tolerance-gd-t/">Cylindricity GD&T: Definition, Application and Measurement</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://xometry.pro/en-uk/articles/cylindricity-tolerance-gd-t/embed/#?secret=CIjy6BrNJB" width="600" height="338" title="“Cylindricity GD&T: Definition, Application and Measurement” — Xometry Pro" data-secret="CIjy6BrNJB" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://xometry.pro/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://xometry.pro/wp-content/uploads/2026/02/cylundricity.png1408736This article provides a comprehensive overview of Cylindricity, a fundamental Form Control that sits alongside Flatness, Straightness, and Circularity. We will cover its definition, tolerance zone, measurement methods, and how it differs from similar callouts. What is Cylindricity? Cylindricity is a form control in Geometric Dimensioning & Tolerancing that qualifies a cylindrical part by ensuring […]