{"product_id":"acrow-er201211-er20-spring-collet-o12-11-mm-range-din6499","title":"Acrow ER201211 – ER20 Spring Collet (Ø12–11 mm Range, DIN6499)","description":"\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eAcrow ER201211 – ER20 Spring Collet (Ø12–11 mm Range, DIN6499)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003eThe \u003cstrong\u003eAcrow ER201211\u003c\/strong\u003e is a high-precision \u003cstrong\u003eER20 Spring Collet\u003c\/strong\u003e designed for securely clamping tools within the Ø12–11 mm diameter range. Manufactured in accordance with the \u003cstrong\u003eDIN6499\u003c\/strong\u003e standard, this collet provides excellent concentricity, stable clamping pressure, and long service life. Made from premium hardened spring steel, it delivers consistent performance for CNC milling, drilling, and general machining applications requiring reliable tool holding in the ER20 system.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"font-family: Arial; font-size: large;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Acrow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart No.:\u003c\/strong\u003e ER201211\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e ER20 Spring Collet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN6499\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Range:\u003c\/strong\u003e Ø12 – Ø11 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eØD1:\u003c\/strong\u003e 21.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL (Length):\u003c\/strong\u003e 31.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-grade hardened spring steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun-out Accuracy:\u003c\/strong\u003e ≤ 0.015 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Suitable for clamping Ø12–11 mm end mills, drills, and precision tools in ER20 collet chucks.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ACROW MACHINERY MFG CO LTD","offers":[{"title":"Default Title","offer_id":51251825868836,"sku":"ER201211","price":42.59,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/5598\/3396\/files\/acrow-machinery-mfg-co-ltd-tool-holders-acrow-er201211-er20-spring-collet-o12-11-mm-range-din6499-7448720906531-1207664416.png?v=1786525419","url":"https:\/\/www.layerspecdynamics.com\/products\/acrow-er201211-er20-spring-collet-o12-11-mm-range-din6499","provider":"LayerSpec Dynamics","version":"1.0","type":"link"}