General description This Diamond Coated Hole Saw Drill Bit is designed for high-quality drilling in materials such as glass, tile, granite, marble, ceramics, and rock. Made from carbon steel with a diamond coating, it ensures clean and precise holes while providing superior performance and durability. Technical specifications Material: Carbon Steel Shank diameter: 10mm Diamond coating thickness: 1.5mm 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. Maintain reduced drill speed and low drill pressure for optimal performance. Can be used with a standard electric drill. Other information Heavy-duty design provides durability that is more than 8 times that of common diamond hole saws. Keep the drill bit moist and cool during use.