BT Shrink Fit Chuck 4.5°
BT standard Shrink fit Chuck use Heat resistant hot-working steel to clamp HSS and solid carbide tools via steel thermal expansion character. 0,003 mm accuracy and precise taper tolerances improve tool life, subsequent fine balancing bring Better surface quality and Low wear of the machine spindle
1. High runout accuracy (< 0.003 mm)
2. Extreme clamping torque by high pressing in the clamping bore
3. Short chamfer
4 Threaded bores for simple and fast balancing with screws