Er Collet, Collect Chuck, Live Center manufacturer / supplier in China, offering Bt30 Bt40 Bt50 C32 C25 High Precision CNC Milling Machine Strong Power Collet Chuck, Steel Clamping Kit/58PCS Clamping Kit Set M10/M12/M14/M16 for Mill Machines Accessories, Machine Tools Straight Shank C20 C25 C32 Apu13 Apu16 Integrated Keyless Drill Chucks Holder and so on.