Er Collet, Collect Chuck, Live Center manufacturer / supplier in China, offering CNC Milling Chuck C20 Er20m Er8m Floarting Tool Holder, CNC Tool Holder Bt40-M Taper Shank Bt40 Bt30 Bt50 Tool Holder, Bt30 Bt40 Bt50 Er Tool Holder High - Speed Fine - Balanced Er Collet Chuck Tool Holder and so on.