Back Pull Collet 65Mn 7mm Diameter High Rigidity Super Gripping Power High Precision

1、With heat treatment and cold drawing hardening the strength is relatively high with a certain degree of flexibility. 2、Adopt quenching processing fine workmanship sturdiness and durability inner hole grinding. 3、Manufactured with strong clamping force high rigidity low noise very good choice for you. 4、Widely used for milling drilling tapping engraving CNC half cone angle of spindle machine collet. 5、High performance and high quality the carburizing depth is above 0.8mm/0.31in practical in use.