General description These 10pcs Diamond Hole Saw Drill Bits are designed for cutting through various materials such as ceramic, glass, porcelain, marble, and granite. Made from high-strength carbon steel with a nickel-plated surface, these bits are built to last and provide clean, smooth cuts. Technical specifications Material: High-strength carbon steel with nickel-plated surface Sizes included: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 18mm, 32mm, 50mm Compatibility and accessories Compatible with standard electric drills Usage Ideal for cutting marble, porcelain tile, glass, tile, jar block, and granite Use lubrication (water) when cutting hard materials to extend the service life Other information Side flute hole design for waste removal Laser marking for clear and durable size indication Package includes 10 diamond drill bits