This sevenpiece set of woodworking drilling bits features a hexagonal shank, countersunk heads, a hidden screw hole, and a doubleedged cutting design. It is built to deliver clean countersinks and concealed fasteners for a neat, professional finish in wood projects. Key benefits Clean countersinks for flush screw seating, minimizing the need for filler or extra sanding. Hidden screw hole enables the screw head to sit below the surface for a lowprofile, concealed finish. Doubleedged cutting edges improve drilling efficiency and help produce smoother holes. Hexagonal shank provides a secure grip in drill chucks, reducing slippage during use. Sevenpiece set offers versatility for a range of woodworking tasks. Key attributes Quantity: 7 pieces Shank: hexagonal shank for secure clamping in drill chucks Head style: countersunk Special feature: hidden screw hole Cutting design: doubleedged drilling Intended use: woodworking Compatibility and performance Designed for drills and drill chucks that accept hex shank tooling, ensuring a secure fit during use. Optimized for creating countersunk holes in wood with a finished, professional look. Use cases Cabinet making and furniture assembly where screws must sit flush with the surface for a clean appearance. Drawer construction and hinge mounting to achieve concealed fasteners and a neat edge. General woodworking projects that require precise countersinking and a concealed screw finish. Notes This description reflects the product's stated features: seven pieces, hexagonal shank, woodworking countersunk heads, hidden screw hole, and doubleedged drilling design. Use as intended for results in woodwork.