This standard BS ISO 6751:2011 Tools for moulding. Ejector pins with cylindrical head is classified in these ICS categories:
25.120.30 Moulding equipment
This International Standard specifies the dimensions and tolerances, in millimetres, of ejector pins with cylindrical head which are used in compression and injection moulds and in die casting dies.
It also gives material guidelines and hardness requirements, and specifies the designation of ejector pins with cylindrical head.
Flat ejector pins are specified in ISO 8693 and shouldered ejector pins are specified in ISO 8694.