{"product_id":"er8-4-spring-pro-grade-collet-set-0-08mm-precision","title":"ER8-4 Spring Pro-Grade Collet Set 0.08mm Precision CNC Lathe Milling Chuck 4mm Clamping Range Carbon Steel Workholding Engraving Collets For Engraving Machine And Milling Lathe Tool","description":"\u003cdiv\u003ePrecision ER8 Spring Collet Set for CNC Lathe and Milling\n✔️ ER8 model 8.5mm diameter 10.5mm height 4mm clamp 0.08mm accuracy HRC 44-48 \u003cp\u003eER8 collets deliver reliable workholding on small CNC mills and lathes in home shops and professional setups.\u003c\/p\u003e ✅ Crafted from 65Mn spring steel for strong elasticity and long wear\u003cbr\u003e\n✅ Self release design stops tools from getting stuck in the holder\u003cbr\u003e\n✅ Fully hardened to HRC 44-48 for daily shop abuse\u003cbr\u003e\n✅ 0.08mm runout keeps cuts accurate on engraving and milling jobs\u003cbr\u003e \u003cp\u003e💡 What is a spring collet used for in machining work?\nSpring collets grip round tool shanks tight inside a chuck so spindles can spin at high speeds without wobble.\n- They shine on CNC lathes and mills where quick tool swaps matter most.\n- Users reach for them in aerospace and auto shops that need steady 0.08mm accuracy.\n- The built in self release stops bits from jamming after heavy cuts.\u003c\/p\u003e✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49073684611307,"sku":"VXB0GJRC6LV7","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61ihBEaj5QL.jpg?v=1784421873","url":"https:\/\/vxb.com\/products\/er8-4-spring-pro-grade-collet-set-0-08mm-precision","provider":"VXB Bearings","version":"1.0","type":"link"}