Total Length;50Driving Oil Pressure(kg/cm2):90-120Driving Oi Volume(L/min): 20-40Strike Frequeney(bmp):500-1000Drill Rod Diameter: 1.8"

Total Length;50Driving Oil Pressure(kg/cm2):90-120Driving Oi Volume(L/min): 20-40Strike Frequeney(bmp):500-1000Drill Rod Diameter: 1.8"