... copper, iron, aluminium, steel, stainless steel, plastic, wood Gweike Pneumatic dril tapping machine This machine is a high-tech product ... any work environment. * Through-hole blind-hole unceasingly tool. * Pneumatic tools, torque, light weight, high efficiency. World famous brand products, Air Motor ... trust. 1). For Taps: M3-M122). Speed: 400 RPM3). Torque: 36NM4). Tape Holder: M4, 5,6,8,10,12 PCS5 ...