punch pin (core pin , insert pin, ejector pin, step pin,shoulder punch,carbide punch) Material:HSS.SKD11.SKD61.Carbide.ASP punch pin (core pin , insert pin, ejector pin, step pin,shoulder punch,carbide ... components2>Hardware mould components3>Stamping (Die) mould components4> Core pin or Insert pin series5>Non-standard parts (Components) Order: D*d*L ...