General description The Irwin Blue Groove 6X drill bits are designed for efficient drilling in wood and other materials, providing six times faster penetration compared to standard flat bits. Their innovative 'Tri-Flute' design enhances chip ejection, while full screw tips facilitate easy pull-through. The cutting spurs ensure clean holes with minimal breakout, and the tapered flute helps reduce binding. These extra-long bits, measuring 40cm (16 inches), are perfect for drilling through walls, ceilings, and floors. Additionally, they are heat-treated for increased durability. Technical specifications Diameter: 28mm Working length: 10mm (4 inches) Overall length: 400mm (16 inches) Compatibility and accessories Compatible with standard drill chucks Designed for use with wood, drywall, and similar materials Installation Insert the drill bit into the drill's chuck and tighten securely Ensure the drill is set to the appropriate speed for the material Usage Use with a compatible drill for