7:24 Drill Chuck Arbors

1. High-quality elastic steel material with long use time.

2. Type: 7:24 Drill Chuck Arbors

3. ISO30-J0, ISO30-J2, ISO40-J3

4. Suitable Facing Cutter：13mm-60mm

5. The precision little than 0.005mm with a balance of 8000rpm. Higher precision also can be made by your demand.

6. Holder hardness:48-55HRC