pneumatic Air Tapping Machine 1). For Taps: M3-M12 2). Speed: 400 RPM 3). Torque: 36NM 4). Tape Holder: M4, 5,6,8,10,12 PCS Pneumatic Air Tapping MachineThis machine is a high-tech product.It is widely used in plastic mold, machine manufacturing, metal processingAir Power Tapping Machine Information:*Applicable Materials:Tapping for copper, iron, aluminum, steel, stainless steel, plastic and wood ...