General description Our 40mm Diamond Hole Saw is designed for precision cutting in various materials including glass, tile, ceramic, marble, and granite. Made from high-quality diamond material and a solid hardened steel body, this tool features a nickel-plated coating for enhanced durability and resistance to rust and corrosion. Technical specifications Diameter: 40mm Cutting depth: up to 30mm Material: Diamond-coated, solid hardened steel Installation Install the tile hole saw with the included positioning pilot drill bit. Position the hole using the pilot drill bit, then remove it before cutting. Usage Ideal for cutting precise flat-bottomed holes in smooth surfaces. Recommended to use water or coolant during the cutting process to extend the life of the hole saw.