{"product_id":"er20-cnc-precision-ground-collet-three-eighths-inc","title":"ER20 CNC Precision Ground Collet Three Eighths Inch Must Have With TIR 0.0005 Alloy Spring Steel Hardened To HRC 44-48 True Imperial Size DIN 6499B Compliant High Precision Milling Tooling For CNC Machines","description":"\u003cdiv\u003eSingle ER20 CNC Collet for 3\/8 in tooling, DIN 6499B ready\u003cbr\u003e\n✔️ TIR 0.0005 in, alloy spring steel, hardened to HRC 44-48, DIN 6499B \u003cp\u003eThe ER20 CNC precision collet grips 3\/8 in cutting tools in CNC milling machines, delivering tight runout and repeatable accuracy. It fits standard DIN 6499B toolholders for reliable interchangeability.\u003c\/p\u003e \u003cp\u003e✅ ER20 collet series\u003cbr\u003e✅ TIR 0.0005 inches\u003cbr\u003e✅ Alloy spring steel, hardened to HRC 44-48\u003cbr\u003e✅ True imperial size for fractional tooling (3\/8 in, 9.525 mm)\u003cbr\u003e✅ DIN 6499B compliant for standard toolholding\u003cbr\u003e\u003c\/p\u003e \u003cp\u003e💡 What is the typical role of an ER20 collet in a CNC setup, and how does it affect machining performance?\u003c\/p\u003e\nER20 collets secure cutters in CNC spindles with high precision, reducing runout and ensuring repeatable results.\n- Increased rigidity and concentricity for clean, accurate cuts\n- DIN 6499B compatibility for interchangeability with standard tooling\n- 0.0005 inch TIR minimizes runout and improves tolerance control\n- True imperial sizing for fractional tooling like 3\/8 in (9.525 mm) to prevent metric conversion errors\n✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49115325989099,"sku":"VXB0845LYRBZ","price":56.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/71OAe_-rQGL_43c2f401-9747-44fd-b029-dd63841e2da7.jpg?v=1785167363","url":"https:\/\/vxb.com\/products\/er20-cnc-precision-ground-collet-three-eighths-inc","provider":"VXB Bearings","version":"1.0","type":"link"}