Collet, Collet Chuck manufacturer / supplier in China, offering Cat40/50-Mta1/2/3/4/5 High Precision Tool Holder, Bt30/40/50-Mta/MTB2/3/4 Tool Holder Drill Shank Milling Cutter Shank, CNC High Precision Tool Holder Bt40/Bt30/Bt50-Er32/25 and so on.