BT SK collet chuck Mainly used for clamping of straight shank tools and tools such as drills, milling cutters and taps.
BT GSK Tool Holders Spring chuck model: divided into CSK06, CSK10, CSK13,CSK16, CSK20, CSK25.
The Precision tapper: ≤AT3
Material:20CrMnTi
Hardness:56-60HRC
Carbon Depth:>0.8mm
Shank dynamic balance standard:G2.5 30000rpm
