Specifies the dimensions and tolerances of ball-lock punch retainers, Type A (rectangular) and type B (square) for light duty, and of their backing plates, the main use being retention of ball-lock punches in accordance with ISO 10071, when punching holes in steel sheets. Also gives material guidelines and hardness requirements, and specifies the designation.
Status : WithdrawnPublication date : 1994-08
Edition : 1
Technical Committee:Tools for pressing and moulding