ER20 Spring Collet Chuck 10mm Precision Router Collets For CNC Engraving Milling Lathe Tools, 65Mn Spring Steel, HRC55 Hardness, Rock Solid Grip, High Accuracy 0.008mm Tolerance
✔️ 10mm ER20 precision spring collet, 0.008mm tol, 21mm OD, 1 pc
This ER20 spring collet chuck is a high-precision tool designed for CNC milling, engraving, and general machining. It provides a firm, accurate grip on cutting tools or hardened shanks, and is suitable for use with general milling machines, CNC mills, engraving machines, and spindle tool setups.
✅ Size: ER20, Range: 10mm / 0.39"
✅ Accuracy: 0.008mm / 0.0003"
✅ Outer Diameter: 21mm / 0.83"
✅ Total Length: 31.5mm / 1.24"
✅ Material: 65Mn spring steel, hardness up to HRC55
💡 What is an ER20 spring collet chuck used for in CNC milling and engraving? This handy tool helps secure tools and workpieces with precise grip. - ER20 compatibility with 10 mm range - Improves repeatability in milling and drilling - Made from 65Mn steel with hardness up to HRC55
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