{"id":2493,"date":"2026-10-27T02:50:58","date_gmt":"2026-10-26T23:50:58","guid":{"rendered":"https:\/\/temak.com.tr\/en\/er-collet-chuck-types-features\/"},"modified":"2026-10-27T02:50:58","modified_gmt":"2026-10-26T23:50:58","slug":"er-collet-chuck-types-features","status":"publish","type":"post","link":"https:\/\/temak.com.tr\/en\/er-collet-chuck-types-features\/","title":{"rendered":"Types of Collet Chucks (ER Collet Chucks) and Their Features"},"content":{"rendered":"<p>In the world of machining, <strong>Collet Chucks (ER Collet Chucks)<\/strong> are the most widely used and economical tool holding systems for a broad range of operations such as drilling, milling, boring and reaming.<\/p>\n<p>Watch Temak Teknik&#8217;s product information video at the link below:<\/p>\n<p><iframe loading=\"lazy\" title=\"Pens Ba\u015fl\u0131k T\u00fcrleri\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/27LiDM6gHwM?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h2>Key Features and Advantages<\/h2>\n<ol>\n<li><strong>High Clamping Force and Full-Circumference Grip:<\/strong> As the nut is tightened, the slotted structure of the collets grips the tool shank uniformly through 360 degrees, providing a strong hold [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=19\" target=\"_blank\" rel=\"noopener\">00:19<\/a>].<\/li>\n<li><strong>Wide Product and Diameter Range:<\/strong> ER collet systems range <strong>from ER08 through ER11, ER16, ER20, ER25, ER32, ER40 and ER50<\/strong> [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=65\" target=\"_blank\" rel=\"noopener\">01:05<\/a>]. As a result, all cutting tools with shank diameters from <strong>0.5 mm to 34 mm<\/strong> can be clamped in a single holder body simply by changing collets [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=134\" target=\"_blank\" rel=\"noopener\">02:14<\/a>].<\/li>\n<li><strong>Flexibility with Intermediate\/Decimal Diameters:<\/strong> Whereas Weldon or hydraulic chucks can only hold standard whole diameters (e.g. 8 mm, 10 mm), ER collets make it easy to clamp tools with special\/decimal shank diameters such as <strong>10.1 mm<\/strong> or <strong>10.5 mm<\/strong> [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=106\" target=\"_blank\" rel=\"noopener\">01:46<\/a>].<\/li>\n<li><strong>Economical and Modular:<\/strong> By purchasing a single collet chuck body and changing the collet set inside it, dozens of drills, end mills and reamers of different diameters can be clamped [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=35\" target=\"_blank\" rel=\"noopener\">00:35<\/a>].<\/li>\n<\/ol>\n<h2>Tolerances to Consider When Selecting Collets<\/h2>\n<ul>\n<li><strong>Standard vs. Precision Collets:<\/strong> Type A (standard) and Type B (precision) collets are available on the market. Their accuracy generally ranges from <strong>0.015 mm to 0.003 mm (3 microns)<\/strong> [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=81\" target=\"_blank\" rel=\"noopener\">01:21<\/a>].<\/li>\n<li><strong>Single-Size vs. Clamping-Range Collets:<\/strong> Collets marked with a single size (e.g. just 10) are dedicated to that diameter only and have much lower runout values. Collets marked with a range (e.g. 10-11) offer 1 mm of collapse range, but their runout accuracy is slightly lower than that of single-size collets [<a href=\"https:\/\/www.youtube.com\/watch?v=27LiDM6gHwM&amp;t=90\" target=\"_blank\" rel=\"noopener\">01:30<\/a>].<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>ER collet chucks explained: clamping force, ER08 to ER50 sizes, 0.5\u201334 mm shank range, intermediate diameters and collet accuracy and runout classes.<\/p>\n","protected":false},"author":4,"featured_media":2456,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-2493","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/posts\/2493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/comments?post=2493"}],"version-history":[{"count":0,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/posts\/2493\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/media\/2456"}],"wp:attachment":[{"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/media?parent=2493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/categories?post=2493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/tags?post=2493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}