The professional IRWIN cobalt drill bit with a 10 mm diameter provides high resistance to overheating, fast and precise drilling, and a long service life thanks to a 5% cobalt content. Ideal for mild and high-alloy steels, cast iron, and non-ferrous metals.
The IRWIN HSS Cobalt metal drill bit is made from high-speed steel with a 5% cobalt alloy. This combination ensures excellent thermal stability, wear resistance, and higher cutting speed at lower feed. A great choice for demanding workshop and assembly tasks.
With precise dimensions of 10.0 × 87 / 133 mm, it is suitable for universal use in both pillar and handheld drills. It excels with consistent performance when drilling into mild and high-alloy steels, cast iron, and non-ferrous metals.
- Longer service life – the cobalt alloy withstands high temperatures and wear.
- Fast and clean drilling – optimized geometry supports efficient chip evacuation.
- Universal use – ideal for professionals and demanding DIY users.
Specifications
- Diameter
- 10.0 mm
- Cutting length (working)
- 87 mm
- Overall length
- 133 mm
- Material
- High-speed steel (HSS) with 5% cobalt
- Suitable materials
- Mild steel, high-alloy steel, cast iron, non-ferrous metals
- Brand
- IRWIN
