General description This HSS drill bit set includes 14mm, 16mm, and 18mm auger bits featuring a metal BI cutting edge designed for durability and long-lasting performance. The Blue Groove Power is the world's first wood drill flat bit to utilize IRWIN's pioneering bi-metal technology, providing unrivaled speed and durability even in nail-embedded wood. Each bit has a self-feeding tip that helps pull it through materials, along with three cutting edges for enhanced chip removal, making it ideal for demanding woodworking and home improvement tasks. Technical specifications Diameter: 14 mm, 16 mm, and 18 mm Material: High-Speed Steel (HSS) with metal cutting edges Quick-change system compatible with drills from 18-32 mm Compatibility and accessories Compatible with standard drill chucks that accept 14 mm, 16 mm, and 18 mm diameter bits Suitable for use with drill bits and accessories designed for quick-change systems within 18-32 mm sizes Installation Insert the drill bit into the