General description This high-quality IRWIN Blue Groove Wood Drill Bit is designed for efficient and precise drilling in wood. It features a conical helical design that reduces the risk of jamming, making it easier to use. The drill bit is fully hardened for increased durability and long-lasting performance, ensuring clean holes with minimal wear, making it suitable for demanding DIY and home improvement projects. Technical specifications Diameter: 28 mm Length: 165 mm Material: Hardened steel Number of pieces: 1 Compatibility and accessories Compatible with standard 1/4 inch quick-change chucks Installation Insert the drill bit into a compatible drill chuck Ensure it is securely tightened before use Usage Designed for drilling in wood materials Use appropriate speed settings on your drill for optimal results Apply steady pressure during drilling for best performance