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.

Font Size

Tool Steel Products list

Hot Work Tool Steel

Brand name Characteristic Die-cast Forging Extrusion Brochure
Hot Work
Tool Steel
DHA-WORLD
  • AISI H11 (1.2343) mod.
  • High hardenability & toughness
1,160KB
DHA1
  • AISI H13 eq. (1.2344)
  • General-purpose steel
1,553KB
DHA1-A
  • AISI H13 eq. (1.2344)
  • Remelted steel
DHA-Thermo
  • High thermal conductivity
1,334KB
DH2F
  • Pre-hardened steel (40HRC)
  • Easy machining
2,106KB
DH21
  • High strength at elevated temp.
  • High heat checking resistance
DH31-EX
  • High hardenability & toughness
  • High strength at elevated temp.
750KB
DH32
  • High strength at elevated temp.
GFA
  • 1.2714 mod.
  • Especially for hammer forging

Hot Stamping Die Steel

Brand name Characteristic Brochure
Hot Work
Tool Steel
DHA-WORLD
  • AISI H11 (1.2343) mod.
  • High hardenability & toughness
1,160KB
DHA1
  • AISI H13 eq. (1.2344)
  • General-purpose steel
1,553KB
DH31-EX
  • High hardenability & toughness
  • High strength at elevated temp.
750KB
Hot Stamping
Die Steel
DHA-HS1
  • High thermal conductivity & High softening resistance
  • Dedicated steel for hot stamping dies
1,725KB

Cold Work Tool Steel

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

Plastic Mold Steel

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

High Speed Tool Steel

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

Powder metallurgy High Speed Tool Steel

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

Inquiries about Tool Steel

We will send it directly to the person in charge of the product.
We will contact you after confirming the contents.