ISO 6752:2008

Tools for pressing — Round punches with 60 degrees conical head and straight shank

ISO 6752:2008 specifies the basic dimensions, in millimetres, of round punches with 60° conical head and straight shank in the diameter range of 0,5 mm to 20 mm. It gives example material and hardness values, and specifies the designation of the punches, whose main use is punching holes in steel sheet but that can also be used on other materials.