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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Cold Work Tool Steel

Conceptual diagram of Cold Work Tool Steel Properties

Conceptual diagram of Hot Work Tool Steels (Forging die) Properties DRM1 (PDF) DRM2 (PDF) DCMX (PDF) DRM3 (PDF) DC53 (PDF) DC11 (PDF) GO5 (PDF) GOA (PDF)

Products list

Brand name Characteristic Application Brochure
Carbon Tool Steel YK30
  • Similar to AISI O2
  • Gauge, Jig & Tool
  • Razor blade
  • Die for cold press
Special Tool Steel GOA
  • Similar to AISI O1
  • Gauge, Shear blade
  • Die for cold press
1,800KB
GO4
  • Air hardening Steel
  • Precision mold
  • Die for cold press
GO5
  • Flame hardening Steel
  • Blanking, Piercing & Trimming die
1,147KB
GO40F
  • Pre-hardened steel (40HRC)
  • Easy machining
  • Die plate
  • Short run die
Cold Work Die Steel DC53
  • 8Cr-2Mo type
  • High hardness & toughness
  • Punch & die for high strength steel
  • Threading die
350KB
DCMX
  • Matrix type Cold Work Die Steel
  • High toughness, easy machining & small dimensional change
  • Piercing punch & trim die for high strength steel
1,838KB
DC11
  • Similar to AISI D2
  • General-purpose Steel
  • Die & Punch for cold press
1,312KB
Brand name Characteristic Application Brochure
Matrix
type
DRM1
  • High toughness
  • Maximum hardness 58HRC
  • Die & punch for hot & warm forging
1,101KB
DRM2
  • High hardness & toughness
  • Maximum hardness 62HRC
  • Die & punch for warm & cold forging
775KB
DRM3
  • High hardenability
  • Maximum hardness 66HRC
  • Die & punch for cold forging
809KB
Brand name Characteristic Application Brochure
General Purpose DEX20
  • High toughness
  • Drill & Tap
  • Cold press die
  • Cutting tool
DEX40
  • High toughness
  • High heat resisting
  • Broach & End mill
  • Cold & warm forging die

Technical Data

Inquiries about Tool Steel

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