Irwin IRW10502742 Wood Auger Drill Bit Long Series 8 x 400mm

This self-drilling Irwin Wood Auger Drill Bit, Long Series, is designed for fast drilling in all types of wood. It features a single crest profile for a smoother hole finish and an extra-wide helical design to accelerate chip removal. Constructed from hardened steel, it provides durability and reliable performance for general wood boring. The bit has an 8.0 mm diameter and a total length of 400 mm, with a 323 mm working length. Its hexagonal shank helps prevent slipping in a drill chuck, supporting secure and efficient operation with standard drill chucks and various power drills. The self-drilling screw point and solid centre further enhance rigidity and cutting efficiency across soft and hard woods.

Features

• Smooth hole finish with single crest
• Extra-wide helical design for quick chip removal
• Hardened steel body for durability
• Hex shank prevents slipping in chuck
• Self-feeding screw point for faster boring

Technical specifications

• Diameter: 8.0 mm
• Total length: 400 mm
• Working length: 323 mm
• Type: Self-drilling bit
• Material: Hardened steel
• Profile: Single crest

Ensure the drill chuck is tight and use appropriate speed for wood drilling; apply steady pressure during drilling and remove chips regularly to prevent jamming.