Er11a 70 CNC Tool Holder High Precision Milling Arbor With 0.005mm Accuracy And 1 To 7mm Clamp Range Carburized 20CrMnTi Steel Lathe Tooling With Wrench Included Pro Grade Duty For Machining Centers

BT40-ER11A-70 Tool Holder - single pack, 0.005mm precision
✔️ 1-7mm clamp, 0.005mm accuracy, ER11 chuck, 10k rpm

This CNC tool holder is a high-precision milling arbor designed for machining centers and lathes. It combines BT40 taper with ER11 collet compatibility and carburized 20CrMnTi steel for durability in demanding metalworking environments.

✅ Clamp range: 1-7mm
✅ Precision: 0.005mm accuracy
✅ Material: carburized 20CrMnTi steel, HRC56+
✅ Speed: up to 10000 rpm
✅ System: BT40 taper with ER11 collet
✅ Package: wrench and storage box included

💡 What is a CNC tool holder used for in metalworking? A handy tool that secures and aligns cutting tools to ensure precise milling and turning. - High concentricity improves runout control - BT40/ER11 compatibility covers many machines - Hardened carburized steel extends wear life - 0.005mm clamping precision helps maintain tight tolerances

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