Cemented carbide drill bit set Cemented carbide material provides durable performance and clean, accurate holes. A reliable choice for precise drilling on glass and hard surfaces. Efficient and easy to use: low cutting resistance allows stable and fast drilling with minimal border damage. Produces neat and smooth openings with no broken edges or tremors, and chips are easy to evacuate. Professional grade results: designed for glass, tiles, marble, china, mirrors, and more. Delivers smooth, precise drilling results you can trust. Wide compatibility: can be installed in various electric hand drills, bench drills, and drills, providing flexibility for different tasks. Use scenarios Installing a glass shelf or decorative glass panel: drill clean, accurate holes in glass or tile surfaces for mounting hardware without cracks or burrs. Tiling and fixture installation: create precise holes in ceramic or porcelain tiles for anchors and fittings, minimizing edge damage and helping secure fixtures. Marble or mirror mounting: drill smooth holes in marble, mirrors, or similar substrates for hardware installation with reduced risk of edge chipping.