... before electronic parts plastic mold making.3. Core and cavity steel for plastic mold making:718(h),738(h), S136(h), NAK80 ... such as LKM, DAIDO and ASSAB for plastic mold making of electronic parts5. Quality certification for steel, mold base, electrode, plastic molding electronic ... days according to order10Size can be accurate to0.1 mm Handle for Plastic Injection Molding