Ultra Precision CNC Tool Holder With ER11A Chuck, 0.005mm Tolerance, BT40 To ER11A 70 Milling Arbor, Wrench Included, Built Tough For High Speed Machining Centers, Lathe Accessories And Hardware Essentials
✔️ Kit includes 1 holder, 1 wrench, 1 storage box; BT40-ER11A 70mm arbor
This premium CNC tool holder combines a BT40 shank with an ER11A chuck to deliver tight tolerances and high concentricity for milling and turning applications. It's ideal for high-speed machining centers and lathes, ensuring reliable tool retention and smooth operation.
✅ 0.005mm precision accuracy
✅ 70mm milling arbor length
✅ 20CrMnTi steel with carburizing and quenching (>HRC56)
✅ Inner hole ground treatment and integrally formed design
✅ Clamping range 1-7mm
✅ Includes 1 holder, 1 wrench, and 1 storage box
💡 What is a tool holder with an ER11A chuck used for in CNC machining? This handy device keeps cutting tools secure and precisely aligned for milling and turning.
- Maintains tool alignment and concentricity for accurate cuts
- Supports high rpm operations for fast material removal
- Fits BT40 spindles and ER11A tooling for flexible setups
- Includes wrench and storage box for quick setup and protection