ISO 10071-2:2005
Tools for pressing -- Ball-lock punches -- Part 2: Ball-lock punches for heavy duty
Product Details
It is applicable to ball-lock punches with shank diameter sizes from 10 mm up to including 40 mm, in round, square, rectangular and oblong shapes, for punching holes in steel sheets or other materials the thickness of which is less than 8 mm.
ISO 10071:2005 also gives examples related to materials and hardness, and specifies the designation of ball-lock punches for heavy duty.