IRWIN HSS Cobalt Drill Bit 4.0mm, 75mm Length, 43mm Working Length
Premium 4.0mm HSS cobalt drill bit for stainless steel & high alloys. 135° split point, 5% cobalt, 75mm length. Ideal for precision drilling.
The IRWIN HSS Cobalt Drill Bit (4.0mm) is engineered for precision drilling of stainless steel and high-alloy materials. It features a 135° split point grinding, ensuring accurate centring and reduced drilling pressure for smoother operation. The industrial-quality ground flute promotes high accuracy and efficient chip removal, making it ideal for demanding drilling tasks.
Crafted from high-speed steel (HSS) with 5% cobalt, this drill bit excels in heat resistance (red hardness), significantly extending its lifespan compared to standard drill bits. The golden tempered surface finish not only enhances durability but also provides an attractive appearance.
Specifications
- Diameter: 4mm
- Working Length: 43mm
- Overall Length: 75mm
- Material: HSS with 5% Cobalt
- Special Feature: 135° split point for reduced walking
- Surface Finish: Golden tempered for corrosion resistance
- Weight: 6 grams
- Drilling stainless steel
- Drilling high-alloy materials
- Precision metalworking
- Industrial applications
- Diameter: 4mm
- Working Length: 43mm
- Overall Length: 75mm
- Material: HSS with 5% Cobalt
- Special Feature: 135° split point for reduced walking
- Surface Finish: Golden tempered
- Weight: 6 grams
Free standard delivery on Canadian mainland orders. Express delivery options and international shipping available at checkout.
We offer a 30-day money-back guarantee on most products. For faulty items, contact us within 14 days for a replacement or refund.
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