{"product_id":"14-inch-shank-router-bit-extension-collet-er20m-ex","title":"1\/4 Inch Shank Router Bit Extension Collet ER20M Extender Chuck Converter Adapter for Milling Lathe and CNC Engraving Machines, Lets You Use 1\/2 Inch and 1\/4 Inch Shank Bits with Ease","description":"\u003cdiv\u003e1\/4 Inch Shank Router Bit Extender with ER20M Collets\u003cbr\u003e\n✔️ 1\/4 shank extension includes 1\/2 and 1\/4 ER20M collets and wrench \u003cp\u003eThis extender is a carbide-based collet extension that lets you run 1\/2\" and 1\/4\" shank router bits on a standard router, milling machine, or CNC engraving setup. It ensures tight retention and stable performance for precise cuts on wood, acrylic, and other materials.\u003c\/p\u003e ✅ Size: shank diameter 1\/4\", accepts 1\/2\" and 1\/4\" shank router bits.\u003cbr\u003e\n✅ Material: carbide body with ER20M spring collet; high strength and shock resistance.\u003cbr\u003e\n✅ Widely used: woods, MDF, laminate, particleboard, plywood, acrylic; high precision and stable performance.\u003cbr\u003e\n✅ Easy to use: insert ER collet into extension, fit bit, tighten with wrench; insert fully for best results.\u003cbr\u003e\n✅ Package includes: 1 extension, 1\/2\" ER20M collet, 1\/4\" ER20M collet, 2 ER20M screw caps, 1 ER20M wrench.\u003cbr\u003e \u003cp\u003e💡 What is an ER20M router bit extension used for in CNC milling and engraving?\nA handy accessory to extend reach and accommodate larger shank bits on standard machines.\n- Extends depth of cut with proper extension\u003cbr\u003e\n- Works with 1\/2\" and 1\/4\" shank router bits\u003cbr\u003e\n- Includes ER20M collets and wrench for fast changes\u003c\/p\u003e \u003c\/div\u003e","brand":"Bearings Canada","offers":[{"title":"Default Title","offer_id":52804135420223,"sku":"VXB0B6H3G32P","price":95.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0887\/4750\/8031\/files\/617tcPYsHfL.jpg?v=1776456770","url":"https:\/\/bearingscanada.com\/products\/14-inch-shank-router-bit-extension-collet-er20m-ex","provider":"Bearings Canada","version":"1.0","type":"link"}