General description The 68mm Diamond Hole Saw is designed for precision cutting in various materials such as glass, tile, ceramic, marble, and limestone. Featuring a diamond surface coating and a pilot drill for accurate positioning, this tool ensures smooth and precise holes without slipping or jamming. Technical specifications Diameter: 68mm Material: Industrial-grade high-strength carbon steel Surface treatment: Nickel-plated for corrosion and rust resistance Coating: Thick and uniform diamond surface coating for improved wear resistance Compatibility and accessories Compatible with cordless drills, lithium drills, and bench drills Usage Ideal for cutting precise holes in glass, ceramic, porcelain, tile, limestone, slate, marble, pumice, and fiberglass Other information Features a notch design with clearance holes for efficient chip removal and cooling water entry