General description Diamond Drill Bit, Hole Saw Drill Bit Accessory Set is designed for cutting through glass, tile, ceramic, marble, and porcelain. This set includes 10 high-quality diamond drill bits made from durable nickel-plated carbon steel, featuring an 80 grit diamond coating for enhanced drilling speed and precision. Technical specifications Material: Nickel-plated carbon steel Diamond coating: 80 grit Hole Saw Diameters: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm Compatibility and accessories Compatible with all Electric Drills and Impact Drills Package contents: 10 x diamond drill bits Installation Start by marking the desired hole location Use lubrication (water) to prevent overheating Drill at a diagonal angle to initiate the hole Usage Ideal for drilling clean, precise holes in glass, ceramic tiles, marble, granite, and other hard materials Ensure the drill bit remains cool during use to avoid damage Other information