Size - Punching Diameter: 21mm / 0.83"; Max. Outer Diameter: 29mm / 1.14"; Total Length: 50mm / 1.97"; Screw Thread Size: M10*1 (Dia x Pitch); Screw Thread Length: 40mm / 1.57"; Hex Wrench Size: 8mm / 0.31"; Hardness: HRC58-62; Punching Hole Type: RoundThe anti-slip spiral interface design of the punching die makes the connection more secure. This manual metal punch is designed for precision and efficiency. Using a internal hex wrench to turn the hex socket head screw, the screw will pull the punch through the metal, thus creating a hole. Before drilling, round holes need to be pre-drilled in the plate so that the screw can pass through the plate.This punching die is suitable for cutting materials such as stainless steel, carbon steel, copper, aluminum, brass, and plastics. (The cutting thickness for stainless steel plates is 1.
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