Irwin 10502510 HSS Cobalt Drill Bits 2.5mm, 2-Pack

This high-speed steel cobalt drill bit features a 135° pointed tip with a cross cut for precise centering and reduced drilling pressure. Built from HSS with 5% cobalt, it offers enhanced heat resistance and durability, and a gold-colored coating extends its lifespan. The bit has a diameter of 2.5 mm, with an overall length of 57 mm and a working length of 30 mm, and uses a cylindrical shank. It is suitable for drilling hardened steel, metal, and stainless steel, and is available in a pack of two. The design emphasizes accurate centering, efficient chip removal, and compatibility with metalworking applications requiring reliable performance in high-alloy materials.

Features

• 135° pointed tip for centering
• HSS with 5% cobalt for heat resistance
• Gold-colored coating for durability
• 2.5 mm diameter, 57 mm overall length
• Working length 30 mm, cylindrical shank
• Pack of 2 drill bits

Technical specifications

• Diameter: 2.5 mm
• Overall length: 57 mm
• Working length: 30 mm
• Material: HSS with 5% cobalt
• Shank type: Cylindrical
• Tip angle: 135°

Follow proper drilling technique: insert the drill bit into a compatible chuck, tighten securely, and apply steady pressure at appropriate speed.