1. High quality elastic steel material with long use time.
2. Type: A AD AD/B
3. Shank of the BT Taper Shell Mill Arbors：BT30 BT40 BT50 DIN69871 A30 DIN69871 A40 DIN69871 A50 CT30 CT40 CT50
4. Suitable Facing Cutter：13mm-50mm
5. The precision little than 0.005mm with balance 8000rpm. Higher precision also can be made by your demand.(G6.3/12000rpm, G2.5/20000rpm)
6. Holder hardness:48-55HRC
7. Suitable Pull Stub& Facing Cutter is also upon request.