... for copper, iron, aluminium, steel, stainless steel, plastic, wood Gweike cheap pneumatic dril tapping machine This machine is a high-tech ... . 1). For Taps: M3-M122). Speed: 400 RPM3). Torque: 36NM4). Tape Holder: M4, 5,6,8,10,12 PCS5). Working Range ... setAir unitTable mounting columnTorque limited tap holderHexagon Wrench lestInstruction manual Cheap pneumatic Drill Tapping machine