6pcs HSS 90 Degree Countersink Drill Bits Set (6.3, 8.3, 10.4, 12.4, 16.5 & 20.5mm) for Metal and Woodworking Chamfering Cutter Bits & Blue Tin Case

Sharp and Versatile Drill Bits These countersink bits are built to last and make clean cuts. They remove rough edges (burrs) without scratching the surface and work with many common drills and drilling rigs. Set for Many Materials The 6-piece set includes three-fluted bits in various sizes for drilling through metal and some plastics. This includes carbon steel, aluminum, various plates (insulating, PVC), and wood (soft and hard). Detailed Sizes The bits come in diameters ranging from 6.3mm to 20.5mm, with different shank (handle) sizes to fit your drill. The lengths also vary slightly. Durable Construction These countersink bits are especially sharp and accurate due to a titanium coating and high-quality grinding process. The steel used is treated to resist rust and ensure long life. Easy Drilling for Everyone This set is perfect for various drilling tasks, whether you're working on a DIY project at home or in your workshop. The sharp bits will make drilling smoother and less stressful.