General description The Dewalt DT90237 Tri Flute Impact Ready Auger Bit 3 Piece Set includes three wood drill bits designed for fast, clean, and precise drilling in wood. The bits feature a tri-flute design for efficient chip removal, three cutting spurs for cleaner holes, and a full screw tip for easy self-feeding. They are heat-treated for durability and suitable for impact drivers and standard drills with 1/4" hex shanks. The stubby length of 10cm makes them ideal for working in confined spaces or through joists. Technical specifications Diameters: 16mm, 20mm, 25mm Length: 152mm (6 inches) Stubby length: 10cm (4 inches) Compatibility and accessories Compatible with impact drivers and standard drills with 1/4" hex chucks Includes adapters for quick connection Installation Insert the drill bit into the chuck of your drill or impact driver Securely tighten the chuck to hold the bit in place Usage Use for drilling holes in wood, suitable for electricians, carpenters, plumbers, and DIY