This Part specifies the dimensional specifications and tolerances for push tubes for plastic injection molds. This section applies to push tubes for plastic injection molds. This part also gives material guidelines and hardness requirements, and specifies the marking of push tubes.
GB/T 4169.17-2006 Referenced Document
GB/T 4170-2006 Specification of components of injection moulds for plastics
GB/T 4169.17-2006 history
2006GB/T 4169.17-2006 Components of injection moulds for plastics.Part 17:Ejector sleeve