Ultra Precision CNC Tool Holder For Machining Center And Lathe, 0.005mm Tolerance, ER11A Collet, 1 To 7mm Clamping Range, 10000 RPM Speed, Includes Wrench, Durable Milling Arbor For Tight Tolerance Milling Jobs

High-precision BT40 ER11A CNC Holder for Tight Milling
✔️ 0.005mm tolerance, ER11A chuck, 1-7mm clamp, 70mm length, 10,000 rpm

The BT40-ER11A-70 CNC Tool Holder is a high-precision milling arbor designed for machining centers and lathes. Its refined concentricity and hardened steel construction make it ideal for industries demanding tight tolerances.

✅ 0.005mm tolerance for tight concentricity
✅ 1-7mm clamping range for tool versatility
✅ ER11A chuck provides secure high-speed grip
✅ 70mm working length with BT40 taper compatibility
✅ Hardened 20CrMnTi steel with carburizing and quenching
✅ Includes wrench and storage box for convenient use

💡 What is a CNC tool holder with ER11A used for in high-precision milling applications?

This handy tool holder is designed to securely hold cutting tools in CNC machines, ensuring accurate milling performance. - tight tolerance milling with ER11A chuck for precision - 1-7mm tool shank range provides flexibility for different tools - high-speed operation up to 10,000 rpm with a secure grip ✝️