General description This Diamond Coated Hole Saw Drill Bit is designed for high-quality drilling in various materials including glass, tile, granite, marble, ceramics, and rock. Made from carbon steel with a diamond coating, this drill bit ensures clean and precise holes while providing superior performance and durability. Technical specifications Material: Carbon Steel Shank diameter: 10mm Diamond coating thickness: 1.5mm Diameter: 60mm Installation Start drilling at a 45-degree angle. Once the crescent-shaped edge is cut, drill vertically to prevent slipping. Usage Always use water for lubrication and cooling to prevent the drill bit from burning out. Reduce drill speed and pressure while increasing water usage to extend the drill bit's life. Compatible with standard electric drills. Other information For optimal performance, ensure the drill bit remains moist and cool during use.