Ineasicer 2-Piece 40mm Diamond Drill Bits with M14 Thread for Dry Drilling in Porcelain, Tile, Granite, and Marble

Professional Type
Vacuum-brazed (VB) diamond drill bits are manufactured by professionals for wet or dry drilling in all types of ceramic, porcelain, tile, granite, marble, stoneware, and other hard materials. Thanks to VB technology, these diamond drill bits can drill dry or wet into hard porcelain and stone with greater efficiency and a longer lifespan. Diamond drill bits with an M14 threaded connection can be used directly on an angle grinder. Easy to use, suitable for both wet and dry drilling, and performs in all conditions. The perfect tools are at your fingertips. Diamond burrs allow you to drill the necessary holes for water inlets, drains, light fixtures, etc. A diamond drill bit can dry drill dozens of holes in hard porcelain, lasting much longer than galvanized steel (almost 10 times longer). You can drill many more holes wet. To ensure your diamond drill bits last longer, please follow the correct operating instructions.