Collet, Collet Chuck manufacturer / supplier in China, offering Bt/Sk/Mt/R8 Apu Collet Chucks Bt Apu Drill Chuck for CNC Grinding Machine Tools Accessories Bt40-Apu13 Bt50-Apu16 Collet Chuck, Qkg Precision CNC Machine Vise for Milling Machine Qkg50 Qkg73 Qkg80, Machine Tool Accessories High Speed GSK Toolholders Bt Tool Holder Bt30 Bt40 Bt50 Collet Chuck Adapters with Balancing 25000rpm Bt40-GSK32-100 and so on.