HOLE PUNCH DIA 5.90/5.50/4.90x68MM WITH PVD TIN COATING HSS M42

Product Description

Hole Punch 5.90/5.50/4.90 68mm with PVD TiN Coating, HSS M42

1. Overview:

This high-speed steel (HSS M42) hole punch is designed for high-precision punching applications, ensuring durability, wear resistance, and excellent performance in metalworking. The PVD TiN (Titanium Nitride) coating enhances tool life by reducing friction and increasing hardness.

2. Technical Specifications:

Parameter	Details
Material	HSS M42 (High-Speed Steel, M42 Grade)
Diameters	5.90 mm / 5.50 mm / 4.90 mm
Overall Length	68 mm
Coating	PVD TiN (Titanium Nitride)
Hardness	Approx. 67-70 HRC
Wear Resistance	High (due to TiN coating)
Heat Resistance	Excellent (M42 can withstand up to 1100C)

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3. Material Details

• HSS M42:

  • Contains 8-10% cobalt, providing enhanced hardness, toughness, and heat resistance.
  • Ideal for punching holes in hard metals, stainless steel, and high-strength alloys.

• PVD TiN Coating:

  • Increases surface hardness to around 2300 HV (Vickers Hardness).
  • Reduces tool wear and friction, improving longevity and efficiency.
  • Allows higher-speed machining with minimal heat buildup.

4. Applications

Metal Fabrication Ideal for punching holes in stainless steel, aluminum, and hardened alloys.
Automotive & Aerospace Used in precision hole-punching for structural components.
Sheet Metal Processing Ensures clean cuts and extended tool life in industrial manufacturing.
Machining & Engineering Suitable for high-speed punching operations with minimal wear.

5. Benefits

• Longer Tool Life: The PVD TiN coating significantly enhances durability.
• Superior Hardness: Withstands high-pressure punching without wear.
• Excellent Heat Resistance: Can handle high-speed operations with minimal thermal expansion.
• Reduced Friction: TiN coating improves cutting efficiency and minimizes material adhesion.