... high quality pneumatic tapping and drilling machine is for copper, iron, aluminium, steel, stainless steel, plastic, wood. Pneumatic drilling and tapping machineThis machine ... . * Tapping the scope of M3 to M12, the work radius of 1800 mm, the big ... fast, machining speed, high accuracy thread, and increased production capacity. * Vertically, horizontally and different angles Tapping. * Extraordinary ...