Mold Making

Mold design, mold steels, polishing and the daily reality of building injection molds.

Mold Making

P20 vs 718H vs NAK80 vs S136: How to Choose Plastic Mold Steel

A practical comparison of P20, 718H, NAK80 and S136 mold steels: hardness, polish, shot life and when each one is the right choice for an injection mold.