Diamond Core Drill Bit Vacuum Brazed 1-3/8” 35mm Diamond Hole Saw with Flutes for Granite Quartz Hard Porcelain Tile with 5/8-11 Female Thread & 3/8” Hex Shank Adapter Fit Angle Grinders & Drills - DECKRKAT, DECK-008

• Sharp & Durable: 1-3/8” (35mm) Diamond Core Drill Bit equipped with High-tech vacuum brazed diamond coating, suitable for both dry and wet drilling. the lifetime can be expected to last longer if coolant is applied when it is possible Designed for Hard Materials: 1-3/8” Diamond Hole Saw for cutting perfect holes in hard Granite, Quartz, Porcelain, Marble, Concrete, Tile and Bricks etc. with minimum chips and working time Work with Angle Grinders, wet polishers & Drills: 35mm Diamond core drill bit built with 5/8-11 Thread for easy installation on Angle Grinders. Coming with a 5/8-11 to 3/8” Hex Shank adapter to fit in drills or other tools, but do not use Hammer Model Heavy Duty & Faster: tile hole cutter upgraded with heavy duty body and fast debris removal technology, 3 two-way flutes allow the debris to get out the way faster and cool the workpiece and bit sooner Customer Care: Dry drilling may produce dust, adequate protection will be recommended. If you encounter any problem in using the problem, please feel free to contact us. customer satisfaction is important to us