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FineCore Precision
Four ground steel ejector pins for an injection mould, with cylindrical heads and two shank diameters, standing on their heads

Injection moulds

Ejector pins

Process
Turning, hardening, cylindrical grinding and nitriding
Typical materials
Hot-work steels such as 1.2343 and 1.2344, nitrided
Typical use
Pushing the moulded part out of the cavity as the mould opens