Tool Steel
Tool Steel
Tool Steel

Tool steel is one of Daido's major products and we have a wide variety of products for cold, hot, high speed and plastic mold applications.
Some of our brand steels are highly evaluated globally such as DC53 and NAK. To satidfy our customers' demands, we are pursuing high quality products and high performance technical services.

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Plastic Mold Steel

Conceptual diagram of Plastic Mold Steel Properties

Plastic Mold Steel NAK55、NAK80 (PDF) NAK55、NAK80 (PDF) DC53 (PDF) PAC5000 (PDF) S-STAR

Products list

Brand name Characteristic Application Brochure
Pre-hardened type PX4/PX5
  • AISI P20 (1.2311) mod.
  • 30HRC Pre-hardened Steel
  • General use mold
PAC5000
  • AISI P20 (1.2311) mod. HH type
  • 40HRC Pre-hardened Steel
  • High hardness
  • Mirror polish mold
591KB
NAK55
  • 40HRC Precipitation hardening steel
  • Easy machining
  • Precision long run mold
  • Rubber mold
573KB
NAK80
  • 40HRC Precipitation hardening steel
  • High mirror-finish
  • Precision long run mold
  • High-mirror polish mold
NAK-PRM
  • 40HRC Precipitation hardening steel
  • Improved NAK80
  • High-gloss mold
G-STAR
  • AISI 420F mod. (33HRC)
  • Easy machining
  • Mother die (Holder)
H & T type S-STAR
  • AISI 420 (1.2083) mod.
  • Remelted steel
  • High mirror-finish
  • High-gloss mold
  • Corrosion resisting mold
199KB
PD613
  • High hardness & wear resistance
  • High mirror-finish
  • Precision long run mold
  • Glass filled resin mold
Maraging MAS1C
  • High toughness & strength
  • Precision mold
  • High tough pin

Inquiries about Tool Steel

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