NAK80 Pre-Hardened Plastic Mold Steel | Mirror Finish Mold Steel for Precision Injection Molding

NAK80 is a premium-quality pre-hardened plastic mold steel developed for high-gloss polishing, EDM texturing, and excellent machinability. It is supplied in a pre-hardened condition (HRC 37–43), eliminating the need for additional heat treatment and shortening mold production time.

NAK80 is ideal for mirror-finish injection molds, especially for transparent parts, optical components, and textured mold surfaces.

• Pre-Hardened (HRC 37–43) – No heat treatment needed

• Superior Polishability – Achieves mirror finish with ease

• Excellent EDM Texture Performance – Suitable for textured molds

• Good Machinability – Supports CNC milling, EDM, grinding

• Stable Microstructure – High dimensional stability and wear resistance

• Round Bar: Dia 20mm – 350mm

• Flat Bar / Plate: Thickness 20mm – 300mm

• Custom sizes, milling and precision grinding available

• High-gloss plastic injection molds

• Mold bases for transparent or optical components

• EDM textured molds for electronic or automotive parts

• Precision parts requiring excellent surface finish

• Blow molds and mold inserts for plastic tooling

• Coated with rust-proof oil and plastic wrapping

• Export-standard wooden cases or pallets

• Marked with grade, heat number, and dimension

• Material Test Certificate (MTC) provided with shipment