Diamond Core Drill Bit, Glass/Tile/Ceramic/Marble/Porcelain Cutting Hole Saw Accessory Set, 8-50mm Carbon Stainless Steel Core Drill Bits 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 made from high-strength carbon steel with a nickel-plated surface, ensuring durability and precision. The uniform 80-grit diamond coating on the drill bit head enhances drilling speed and sharpness compared to ordinary hole saws. Technical specifications Material: Carbon steel with nickel-plated surface Diamond coating: 80-grit Sizes included: 8 mm, 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm, 25 mm, 50 mm Compatibility and accessories Compatible with all electric drills and impact drivers Installation Ensure the drill bit is kept cool when cutting hard materials to prevent damage and premature wear Water is necessary for lubrication during drilling to extend the life of the bit set Usage Ideal for drilling holes in glass, marble, tile, fiberglass, porcelain, ceramic, slate, granite, and light stone