General description The Drill Bit Kit includes 5 high-speed steel (HSS) drill bits designed for cutting through various materials with precision and ease. This versatile set is perfect for both professional and DIY projects, allowing you to tackle tasks such as installing doors, locks, and drilling holes in larger diameter cabinets and countertops. Technical specifications Material: HSS Outer Diameter: 16mm (0.62''), 18.5mm (0.71''), 20mm (0.78''), 25mm (0.98''), 30mm (1.18'') Length: 65mm (Approx. 2.56'') Shank Diameter: 8.5mm (0.35'') Usage This drill bit kit is suitable for cutting through a variety of materials, including: Steel Stainless steel Aluminum Brass Copper Fiberglass Formica and other laminated products Other information