Er Collet, Collect Chuck, Live Center manufacturer / supplier in China, offering Milling Machine Boring Head Set Nbh2084 Boring Head with Boring Bar, Tapping Tools Tapping Collets Gt12 with Overload Protection M3 to M16 ISO JIS Standard Tapping Collets, High Efficiency Seismic Resistance Bbt/Sbt-C Force Milling Chuck and so on.