... volume:520*740*280mmTotal weight after packing:45.2kgProduct List:one set of main engine,a control box,a power cord,a ... .b) Positioning numerical control is effected through laptop panel to set the speed, depth, positive &negative automatic control and digtal readout ... hand structure with light labour-saving and streamlining structure.g) One tapping machine owes many national patents to fill the market ...