Three-slot wood drill bit set made of 1045 high-carbon steel for sharpness, wear resistance and long service life. A reliable wood drilling tool for both woodworkers and DIY enthusiasts. Six sizes to meet your various needs - Drilling diameters: 1/8", 1/2", 5/8", 3/4", 1" and 1-1/8" - Total length: 4 inches - Slotted hexagonal shank: 1/4" - Compatible with all standard 1/4" quick-change chucks - Easy to clamp, reduces slipping, and durable for a wide range of applications Self-positioning design - Self-feed spiral tip with a right-handed tapered self-tapping thread - Accurately positioned to start holes easily and reliably Efficient and smooth holes - Three-edge three-cutting spike and extra-large chip groove design - Faster chip removal and drilling cutting speed - Helps produce smooth, clean holes Typical use scenarios - Woodworking projects such as furniture building or cabinet making, where accurate starting holes and clean dowel or pilot holes are needed - Home improvement tasks like installing shelves, hinges, or hardware where reliable drilling performance is important - DIY crafts and repairs that require durable, repeatable drilling in various wood materials Brand-aligned features - Material: 1045 high-carbon steel for sharpness and longevity - Six precision diameters with a total length of 4 inches - Compatible with standard 1/4" quick-change chucks for broad tool compatibility - Designed for dependable performance in wood drilling with easy setup and consistent results