Dry Diamond Drilling Bit Set 3 Pcs - Hex Shank Vacuum Brazed Diamond Hole Saws for Granite Marble Ceramic Porcelain Tile Drill Bit with Quick Change 1/4" 5/16" 3/8" SUSUKII - Hex6810

• A package included: 3 drill bits, one of each size 1/4" (6), 5/16"(8), 3/8"(10) Your DIY Helper: Whether you're a tile artist, mason, or just a hobbyist, our drill bit set can meet your needs. This set is ready to tackle a range of hard materials like porcelain, tile, ceramic, granite, marble, and more. Innovative Diamond Technology: Bored of drill bits that don't do the job? Our drill bits feature vacuum-brazed diamond technology, perfect for drilling precise and clean holes into challenging materials. Smooth & Cool Drilling Experience: Frustrated with overheated drill bits? Our Diamond Drill Bit comes with a wax lubricant inside that melts during drilling, cooling the cutting surface. And, if you prefer wet drilling, you can even add water for additional cooling and prolonged bit life. Thoughtful Design Details: We've thought of everything. The diamond coating enhances drilling speed, and the round shank fits most machines. Quick change hex Shank fits into the majority Hand Drill, Bench Drill, more easily and securely without slip and shedding.