Diamond Drill Bit, Hole Saw Drill Bit Accessories Set for Glass/Tile/Ceramic/Marble/Porcelain Cutting, Core Drill Bits Cutter with EN Carbon Stainless Steel 8-50mm 10pcs（8/10/12/14/16/18/20/22/25/50mm

General description High Quality Diamond Drill Bit Set designed for cutting through glass, tile, ceramic, marble, and porcelain. This set includes 10 pieces of drill bits ranging from 8mm to 50mm, made from high strength carbon steel with a nickel-plated surface for durability and precision. The bit head features an 80 grit diamond coating that enhances drilling speed and sharpness compared to ordinary hole saws. Technical specifications Material: High strength carbon steel with nickel plating Coating: 80 grit diamond Sizes included: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm Compatibility and accessories Compatible with all electric drills and impact drivers Installation Ensure the cutter is kept cool when cutting hard materials to avoid damage Use water for lubrication while drilling to extend the life of the drill bits Usage Ideal for drilling holes in glass, marble, tile, fiberglass pots, porcelain, ceramic, slate, and granite