This part specifies the dimensions, specifications and tolerances of push plate guide bushes for die-casting dies. This section applies to push plate guide bushes used in die-casting molds. This part also gives material guidelines and hardness requirements, and specifies the marking of push plate guide bushes.
GB/T 4678.10-2003 history
2017GB/T 4678.10-2017 Diecasting dies—Components—Part 10: Ejector guide bush
2003GB/T 4678.10-2003 Die-casting die components--Part 10: Ejector guide bush