Screw/bolt making machine (slotting machine) of precise design, high speed, easy operation and competitive price Screw making machine, bolt making machine (slotting machine, slotter) Characteristics:1.Precise design, easy operation.2.High ... .75KWOil Pump (w)40Woverall Dimension (cm)148X106X138Machine Weight (kg)500 Screw making machine ( slotting machine )