IRWIN HSS Cobalt Drill Bit 4.2mm x 75mm for Stainless Steel

The IRWIN HSS Cobalt Drill Bit is designed for professional-grade performance when drilling into stainless steel and other high alloys. Featuring a 135° split point design, it ensures perfect centring and requires reduced drilling pressure, making it highly efficient and accurate.

The industrial-quality ground flute enables high-precision drilling and allows for fast removal of chips, maintaining smooth operation throughout your work. The drill bit is manufactured from high-speed steel (HSS) with an added 5% cobalt (Co) content, significantly enhancing its red hardness (heat resistance) and extending its lifespan. The attractive golden tempered surface finish also adds durability and corrosion resistance.

Key Features

• Material: HSS with 5% Cobalt for heat resistance
• Point Angle: 135° split point for precise centring
• Surface Finish: Golden tempered for durability
• Diameter: 4.2 mm
• Working Length: 43 mm
• Overall Length: 75 mm

Ideal for professionals and serious DIY enthusiasts who require longevity and precision in metalworking applications.