General description This set includes five Forstner drill bits designed for creating flat-bottomed holes, ideal for installing concealed hinges and other woodworking projects. They are suitable for drilling through softwood, medium hardwood, chipboard, and MDF. Made from high-strength carbon steel and tungsten carbide-tipped, these bits ensure durability and precise cuts. The set is supplied in a wooden storage box for easy organization. Technical specifications Number of pieces: 5 Bit sizes: 15mm, 20mm, 25mm, 30mm, 35mm Material: Hardened and tempered tungsten carbide-tipped carbon steel Compatible drill chuck size: 10mm or 13mm Compatibility and accessories Compatible with standard drills featuring 10mm or 13mm chucks Includes a wooden storage box for organization Installation Insert the desired drill bit into your drill's chuck and tighten securely Ensure the drill is set to the appropriate speed for the material Usage Use for creating flat-bottomed holes in woodworking projects,