{"product_id":"er20-spring-collet-set-1-8-to-1-2-inch-for-cnc-mil","title":"ER20 Spring Collet Set 1\/8 To 1\/2 Inch For CNC Milling Lathe And Engraving Machines 7 Pcs High Grade 1065 Steel Precision Ground With Ultra Low Runout Under 0.0006 Slotted From Both Ends For Rock Solid Tool Holding","description":"\u003cdiv\u003e\n\u003cp\u003eER20 Spring Collet Set 1\/8-1\/2 in, 7-Piece, Low Runout\u003cbr\u003e✔️ 7-piece set, high-grade 1065 steel, ground, runout \u0026lt;0.0006 in\u003c\/p\u003e \u003cp\u003eThis ER20 spring collet set is a precision tool-holder kit designed for CNC milling, engraving, boring, and other spindle-based operations on milling machines, CNC routers, lathes, and related equipment.\u003c\/p\u003e \u003cp\u003e✅ Range: 1\/8, 3\/16, 1\/4, 5\/16, 3\/8, 7\/16, 1\/2 in\u003cbr\u003e✅ Material: high-grade 1065 carbon steel for stable grip\u003cbr\u003e✅ Runout: total runout under 0.0006 in\u003cbr\u003e✅ Slotted from both ends for rock-solid grip on cutter shanks\u003cbr\u003e✅ Application: perfect for boring, milling, drilling, engraving, CNC, spindle work\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is the best way to choose an ER20 collet set for CNC milling and engraving machines?\u003c\/p\u003e\nChoose a set that matches your spindle size, tool shank range, and needs for accuracy and grip.\n- Look for high-grade steel such as 1065 with precision grinding\n- Ensure the range covers common shank sizes (1\/8\" to 1\/2\")\n- Confirm ends are slotted for a firm grip on tool shanks\n- Check for ultra-low runout to improve cut quality\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49073575395563,"sku":"VXB08VWVJ4KW","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61GBnBziPSL.jpg?v=1784416848","url":"https:\/\/vxb.com\/products\/er20-spring-collet-set-1-8-to-1-2-inch-for-cnc-mil","provider":"VXB Bearings","version":"1.0","type":"link"}