{"product_id":"er40-half-inch-spring-collet-chuck-high-precision","title":"ER40 Half Inch Spring Collet Chuck High Precision 0.008mm Tolerance For CNC Engraving Machine Lathe Milling Tool Durable Hardened Steel Construction With Precise Ground Surfaces For Tight Reproducible Grips","description":"\u003cdiv\u003eER-40 1\/2 Inch Spring Collet Chuck for CNC Milling\u003cbr\u003e\n✔️ ER-40 chuck with 1\/2 inch clamp, hardened steel, precision-ground \u003cp\u003eThis spring collet chuck holds 1\/2 inch tooling with a tight grip for precise machining in CNC milling, lathe work, and engraving setups.\u003c\/p\u003e \u003cp\u003e✅ Model: ER-40 Spring Collet Chuck \u003cbr\u003e\n✅ Clamping diameter: 1\/2 inch \u003cbr\u003e\n✅ Material: hardened steel with wear resistance \u003cbr\u003e\n✅ Tolerance: -0.008mm \/ 0.0003 inches \u003cbr\u003e\n✅ Precision-ground critical surfaces for strong grip \u003cbr\u003e\n✅ Applications: manual vertical or horizontal milling machines, drilling machines, CNC milling lathe tools, work-holding engraving machines, high-speed machines \u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is a spring collet chuck used for in precision CNC milling and engraving setups?\u003c\/p\u003e\nA handy explanation follows in concise bullets:\n- Handy for securely gripping small-diameter tooling with minimal runout\n- Improves concentricity and reproducible grip on CNC machines\n- Works with standard ER-40 collets for common milling and engraving tools\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49073687101675,"sku":"VXB0D2XF5SJZ","price":56.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61l3q17DqxL.jpg?v=1784430938","url":"https:\/\/vxb.com\/products\/er40-half-inch-spring-collet-chuck-high-precision","provider":"VXB Bearings","version":"1.0","type":"link"}