... high quality pneumatic drill tapping machine is for copper, iron, aluminium, steel, stainless steel, plastic, wood Gweike Pneumatic dril tapping machine This machine is a high ... M3 to M12, the work radius of 1800 mm, the big work pieces don’t need moving. * Re-positioning fast, ... mounting columnTorque limited tap holderHexagon Wrench lestInstruction manual High quality pneumatic Drill Tapping machine