IRWIN HSS Cobalt Drill Bit 4.5mm, 80mm

The IRWIN HSS Cobalt Drill Bit (4.5mm) is engineered for precision drilling in stainless steel and other high-alloy materials. Its 135° split point grinding ensures accurate centring with reduced drilling pressure, while the industrial-quality ground flute guarantees high accuracy and efficient chip removal.

Crafted from high-quality HSS steel with 5% cobalt, this drill bit offers enhanced red hardness (heat resistance), significantly extending its lifespan. The attractive golden tempered surface finish not only adds durability but also provides corrosion resistance.

Key Features

• Material: HSS steel with 5% cobalt for superior heat resistance
• Point Angle: 135° split point for precise centring
• Flute Design: Ground flute for accuracy and chip clearance
• Finish: Golden tempered surface for durability
• Diameter: 4.5mm
• Working Length: 47mm
• Overall Length: 80mm