VENSTPOW Brazed Diamond Hole Saw, Tile Hole Cutter with Center Drill Bit, Core Drill Diamond Drill Bits for Porcelain Tile, Ceramic, Glass, Granite Quartz, Marble, Gemstone, Dry Drilling
This diamond coated core drill bit removes a complete circle from glass, tiles, marble, granite, ceramic or other materials.
Made of high-strength carbon steel, sturdy, with excellent anti-rust performance, can be used for a long time.
The cutting port design is matched with the round chip hole on the side to effectively increase the drilling speed and keep the drill bit clean.