C SERIES COLLET 1. Made of special elastic steel material 2. Power clamping ability,precise accuracy C straigh collet 1.High accuracy of c straight collets 0.01mm ,0.015mm 2.Made of special material steel we supply all kinds of machine tool parts , Made of special elastic steel material:65Mn Hardness :HRC 44-48 we supply the competitive price and good serve , The type of C straight collet: 4,5,6, ...