SKH-9 / SKH-51 High-Speed Steel | M2 Equivalent Tool Steel for Cutting Tools & Punches

SKH-9 (also known as SKH-51 or AISI M2) is a widely used high-speed tool steel, recognized for its excellent combination of red hardness, toughness, and wear resistance. It is suitable for tools operating under high temperatures and cutting speeds, including drill bits, milling cutters, punches, and dies.

With high tungsten, molybdenum, and vanadium content, SKH-9 maintains cutting performance under extreme stress and heat conditions.

• Excellent Red Hardness – Retains hardness at high cutting temperatures

• High Wear Resistance – Ideal for long-life tooling

• Good Toughness – Prevents chipping and cracking

• Stable Heat Treatment Response – Achieves high hardness and uniform structure

• Grindability & Machinability – Supports precision processing

• Round Bar: Dia 6mm – 300mm

• Flat Bar / Plate: Thickness 10mm – 200mm

• Ground/Polished or Annealed Condition

• Custom size cutting and surface grinding available

• Twist drills, end mills, and taps

• Cold punches and blanking dies

• Broaches, cutting blades, and saws

• Precision cutters for plastics or wood

• Forming tools in high-speed production lines

• Anti-rust oil + plastic film + wooden case

• Steel marked with grade, heat number, and size

• Export documentation includes Material Test Certificate (MTC)

• Optional: custom logo or barcode labeling