Diamond Hole Saw, 3-1/2" Hole Saw for Tiles Granite Marble Ceramic Glass Porcelain, 90mm Core Drill Bit with 5/8-11 Thread for Angle Grinders & Wet Polishers - DECKRKAT, DECK-031

• Sharp & Durable: 3-1/2" (90mm) Diamond Core Drill Bit equipped with High-tech vacuum brazed diamond coating for a longer lifetime. suitable for both dry and wet drilling, especially when coolant is applied. Designed for Hard Materials: Diamond Hole Saw perfect for cutting holes in granite, marble, ceramic, glass, and porcelain tiles and bricks with minimum chips and working time. Work with Angle Grinders, Wet Polishers & Drills: 90mm Diamond core drill bit built with 5/8-11 Thread for easy installation on Angle Grinders and Wet polishers. Heavy Duty & Faster: Tile hole cutter upgraded with heavy-duty body and fast debris removal technology - two-way flutes allow the debris to come out faster, reduce heat and prevent damage to the cutting edge Customer Care: Dry drilling may produce dust, adequate protection recommended. If you encounter any problem using the product, please feel free to contact us. Customer satisfaction is important to us.