DKIBBITH 1 Inch Dry Diamond Core Drill Bits, 25mm Tile Vacuum Brazed Angle Grinder Hole Saw for Porcelain Ceramic Granite Brick Concrete with 5/8-11 Thread to 3/8” Hex Shank Adapter, Black - VVT-024

• 1inch Dry Diamond Core Drill Bit Great tool to add to your collection for cutting holes for split AC units plumbing, shower, tub grab bars, shower plumbing, faucet and more projects Work with Angle Grinders and Electric DrillsPackage including a 1 Inch Diamond Hole Saw with 5/8-11 female thread for most Angle Grinders, as well as an arbor to 3/8inch Hex Drill Shank which can Excellent Hole Saw for Rough MaterialsFast clean cut through stucco, bricks, concrete, ceramic tile, porcelain, tabby stone, brick, mortar, granite, marble, quartz, etc. Both Dry and Wet will do, and vac will be helpful for dry drilling Sharp and Durable Vacuum Brazed Diamond Core Bit chews through materials with ease and minimal wear. stays sharp longer than other masonry hole saw bits as long as taken good care to cool sufficiently User Tips When starting the hole, tilt the high-speed bit at a 45-degree angle to touch the surface, then slowly move the drill back upright and let the tool do the cutting, you will have minimal bit walking and create smooth