... copper, iron, aluminium, steel, stainless steel, plastic, wood Gweike Pneumatic dril tapping machine This machine is a high-tech product ... Adapt to any work environment. * Through-hole blind-hole unceasingly tool. * Pneumatic tools, torque, light weight, high efficiency. World famous brand products ... limited tap holderHexagon Wrench lestInstruction manual High quality pneumatic Drill Tapping machine