Collet, Tool Holder, Collet Chuck manufacturer / supplier in China, offering DIN6499b Er8/11/16/20/25/32/40/50 Collet Chuck Er Collet, Cat30 Cat40 Cat50 Fmb22 Fmb27 Fmb32 Fmb40 Er32 2 20 Collet C32 Straight Collet Apu Drill Chuck Tool Holder, Factory Supply Machine Tools High Precision Collet Erc Er Collet Oil Hole Type Collet Er32c for Drilling Machine and so on.