{"id":2474,"date":"2026-10-27T09:10:58","date_gmt":"2026-10-27T06:10:58","guid":{"rendered":"https:\/\/temak.com.tr\/en\/what-are-weldon-tool-holders\/"},"modified":"2026-10-27T09:10:58","modified_gmt":"2026-10-27T06:10:58","slug":"what-are-weldon-tool-holders","status":"publish","type":"post","link":"https:\/\/temak.com.tr\/en\/what-are-weldon-tool-holders\/","title":{"rendered":"What Are Weldon Tool Holders? Features and Applications"},"content":{"rendered":"<p><strong>Weldon tool holders<\/strong> are rigid clamping systems widely used on CNC machining centres for roughing and heavy drilling operations that demand high metal removal rates.<\/p>\n<p>Watch Temak Teknik\u2019s video below on the design, advantages and on-machine application of Weldon tool holders:<\/p>\n<p><iframe loading=\"lazy\" title=\"Veldon Tutucular Nedir, Nas\u0131l Kullan\u0131l\u0131r?\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/lbTkXUgWSE8?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>Prevents Axial Slippage (Pull-In):<\/strong> In Weldon holders, the clamping screw (set screw) seats directly on the flat on the cutting tool shank (Weldon shank \/ D-shank) [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=14\" target=\"_blank\" rel=\"noopener\">00:14<\/a>]. This mechanical lock completely prevents the tool from slipping into or pulling out of the holder under high axial loads [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=59\" target=\"_blank\" rel=\"noopener\">00:59<\/a>].<\/li>\n<li><strong>Power for Heavy Cuts and Roughing:<\/strong> Delivers high torque transmission in heavy drilling with U-drills (indexable insert drills) and in rough end milling [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=50\" target=\"_blank\" rel=\"noopener\">00:50<\/a>].<\/li>\n<li><strong>Mechanical Security:<\/strong> Compared with collet chucks, it provides a positive lock on the shank flat in addition to friction, so the tool does not spin under high cutting forces [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=50\" target=\"_blank\" rel=\"noopener\">00:50<\/a>].<\/li>\n<\/ol>\n<h2>Selection and Application Considerations<\/h2>\n<ul>\n<li><strong>Weldon Shank Compatibility:<\/strong> Use only with cutting tools that have a Weldon flat on the shank [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=14\" target=\"_blank\" rel=\"noopener\">00:14<\/a>]. With plain\/cylindrical shank tools, the screw applies point pressure, causing runout and unstable tool behaviour [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=126\" target=\"_blank\" rel=\"noopener\">02:06<\/a>].<\/li>\n<li><strong>Diameter Standards:<\/strong> Unlike collet chucks, they do not cover a wide clamping range; a separate Weldon holder of exact size is required for each shank diameter (e.g. 6, 8, 10, 12, 16, 20 mm) [<a href=\"https:\/\/www.youtube.com\/watch?v=lbTkXUgWSE8&amp;t=31\" target=\"_blank\" rel=\"noopener\">00:31<\/a>].<\/li>\n<li><strong>Runout Factor:<\/strong> Because the screw presses the tool from one side, they do not offer runout as low as hydraulic or shrink-fit chucks in precision finishing; their main purpose is roughing and rigidity.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Weldon tool holders explained: how the flat-shank set screw prevents tool pull-out and when to use them for heavy roughing and drilling.<\/p>\n","protected":false},"author":4,"featured_media":2437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-2474","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\/2474","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=2474"}],"version-history":[{"count":0,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/posts\/2474\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/media\/2437"}],"wp:attachment":[{"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/media?parent=2474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/categories?post=2474"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/temak.com.tr\/en\/wp-json\/wp\/v2\/tags?post=2474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}