Professional IRWIN cobalt drill bit, 4.0 mm diameter, made of HSS high-speed steel with 5% cobalt for high resistance to overheating, long service life, and fast, clean drilling in steel, cast iron, and non-ferrous metals.
Looking for a reliable bit for demanding metal applications? The IRWIN HSS cobalt drill bit with 5% Co offers higher cutting speed at lower feed and outstanding wear resistance. Ideal for precise drilling in mild and high-alloy steel, cast iron, and non-ferrous metals.
Thanks to quality material and precise manufacturing, it provides stable performance, reduced risk of edge burning, and longer service intervals. A great choice for tradespeople and industrial use where reliability and consistent results are required.
- 5% cobalt for higher heat resistance and hardness
- HSS steel for fast and clean drilling
- Long service life thanks to wear resistance
- Wide application: mild steel, high-alloy steel, cast iron, non-ferrous metals
Specifications
- Diameter
- 4.0 mm
- Working length
- 43 mm
- Overall length
- 75 mm
- Material
- HSS (high-speed steel) with 5% cobalt
- Suitable materials
- Mild steel, high-alloy steel, cast iron, non-ferrous metals
- Brand
- IRWIN