HOOPZI Diamond Drill Bit, Hole Saw Drill Bit Accessories Set for Glass/Tile/Ceramic/Marble/Porcelain Cutting, Core Drill Bits Cutter with Carbon Stainless

General description High-quality diamond drill bits designed for economical and fast cutting of various materials. Made from high-strength nickel-plated carbon steel, these drill bits are durable and precise. The bit tip features an 80 grit diamond coating for enhanced drilling speed and sharpness compared to ordinary saws. Technical specifications Material: Nickel-plated carbon steel Diamond coating: 80 grit Sizes included: 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 50mm Compatibility and accessories Compatible with all electric drills and impact drills Installation Start with a diagonal mark to guide your hole Always use lubrication (water) to prevent burning the drill Usage Suitable for drilling holes in glass, marble, tile, fiberglass, porcelain, ceramic tile, slate, light stone, and granite Ensure the cutter is kept cool when cutting hard materials to avoid damage Water lubrication is essential to extend the life of the drill bits Other information Package content: 10 x