... very high quality and low price, such as mold pin,stepped ejector pin , ejector pins etc. Key Specifications/Special Features: 1 ... 4. Heads annealed for easy machining .With nitride surface finish Specializes in manufacture and export ejector pins for plastic ... punches, ejector blades,stepped ejector pin, sleeve ejector, special shaped punches,precision pillars, guide pin, guide bush and ball cage. ...