Packing List:
- 4 PCS BT40-ER32-70 Collet Chuck+ 4 PCS ER32 Collet Nuts+4 PCS BT40 retention knobs
Feature:
- BT40 taper shank is in conformity with A3 standard
- Concentricity of the inner and outer cone: 0.003mm
- Default balancing: G2.5/25000RPM
- Material: 20CRMNTI
- Hardness: HRC56-58
- US Stock, no import duty, 3-5 days to your door.
