Collet manufacturer / supplier in China, offering High Precision Automatic Lathe Er Collet Er11 Er20 Er25 Er32 Collet Chuck Tool for High Precision Spring End Mill Applications, CNC Machine Holder Accessories Er8 Er11 Er16 Er20 Er25 Er32 Er40 Er50 Collet Set Spring Collets Milling Chuck Collets, High Precision Er Collet CNC Milling Machine Chuck Spring Collet Er32 65mn Steel 0.008mm 0.005mm Accuracy and so on.