1 Inch Diamond Hole Saw Bits with Pilot Drill Bit, Diamond Tipped Tile Hole Saws, Dry/Wet Use for Porcelain Tile, Ceramic Pottery, Granite, Stone, Marble, Glass Bottles - 2 Pack

["ANSI-Certified Premium Quality & Durability - Strictly compliant with ANSI standards for the US market, these diamond-tipped hole saw bits feature a high-grade diamond coating and sturdy steel body. The vacuum brazing technology ensures the diamond tip adheres firmly, delivering long-lasting performance that resists chipping, breaking, and dulling—even during heavy-duty use on hard surfaces.","Versatile Compatibility for Multiple Hard Materials - Designed for both professional contractors and DIY enthusiasts, these 1-inch (25mm) diamond hole saws effortlessly drill clean, precise holes in porcelain tile, ceramic pottery, granite, marble, stone, glass bottles, concrete countertops, and brickwork. Perfect for bathroom remodels, faucet installations, and various home improvement projects.","Dry/Wet Dual-Use Design with Water Cooling Recommendation - Engineered for both dry and wet drilling flexibility. While no mandatory water cooling is required, periodically dipping the bit in water during use significantly extends its lifespan, reduces overheating, and ensures smoother, cleaner cuts—especially on tough materials like porcelain and granite.","Efficient Drilling Specs for Easy Operation - Features a 3/8\" triangular shank for a secure chuck grip, 3/8\" diamond height, 1-3/8\" cutting depth, and 2-3/4\" total length. The included pilot drill bit ensures exact positioning, and the wobbling motion design facilitates debris removal, saving time and effort for both beginners and pros.","Compatible with Most Drill Types - Works seamlessly with standard corded drills, cordless drills, hammer drills (with hammer function turned off for delicate materials), and drill presses. The 3/8\" shank fits most standard chucks, and the recommended 300-600 RPM speed ensures optimal performance on hard surfaces. Sturdy Plastic Storage Case Included - Packaged in a durable plastic case that provides safe transportation and convenient storage for the 2pc hole saw bits and pilot drill bits. The case keeps your tools organized and protected, preventing damage when not in use, and includes simple operating instructions for beginner-friendly use."]