... realiable.d) Adopted the TAMAGAWA encoder servo motor, the tapping machine has the feature of high accuracy, wide torque, realiable quality ... light labour-saving and streamlining structure.g) One tapping machine owes many national patents to fill the market vaccant.h ... lathe, drilling machine and hand tapping and has the features of easy operation, light weight, high effciency, low work power, time and ...