IRWIN Blue Groove 4X Long Flat Bit, 18 x 400mm

The IRWIN Blue Groove 4X Long Flat Bit features a patented groove point and cutting edge designed for efficient wood drilling at speeds four times faster than standard flat bits. Its parabolic scoop ensures optimal control and effective wood chip removal, making it ideal for professional and DIY woodworking projects.

Enhanced with an increased relief angle from 12° to 17°, this flat bit provides smoother cutting action and reduced friction. The 400mm long shank is 10% larger in diameter, offering added durability and stability during use.

Key Features

• Patented Groove Point: Designed to cut rather than scrape timber.
• 4X Faster Drilling: Delivers significantly quicker performance compared to standard bits.
• Parabolic Scoop: Ensures controlled and efficient wood chip removal.
• Increased Relief Angle (17°): Enhances cutting efficiency and reduces friction.
• Extra-Durable Shank: 400mm in length with a 10% larger diameter for added strength.

Specifications:

• Diameter: 18mm
• Length: 400mm
• Shank Diameter: 10% larger than standard (exact diameter not specified)

This flat bit is perfect for deep-hole drilling in timber projects where efficiency, precision, and longevity are key.