CNC Tool Holders, U Drills, Carbide End Mills manufacturer / supplier in China, offering Gt12 Gt24 Gt42 Tc820 JIS/ISO/DIN Tap Chuck Alloy Steel for Machining Milling Centers, CNC Rap 400r Face Milling Cutter Head for Apmt Milling Cutter Inserts, Collet Chuck Spring Set Er11 Er16 Er25 Er32 Er40 Accuracy 0.015mm for CNC Milling Lathe Machine and so on.