General description Pack of 3 diamond drill bits with M14 thread, designed for dry drilling of porcelain, tiles, granite, marble, and ceramics. This set includes drill bits with diameters of 6 mm, 8 mm, and 10 mm, each with a total length of 60 mm. The vacuum brazing technology used in these bits ensures a longer service life compared to traditional galvanized bits, minimizing chipping and breakage while generating less heat and providing superior surface quality. Technical specifications Diameter: 6 mm, 8 mm, 10 mm Total length: 60 mm Thread type: M14 Usage Ideal for drilling holes in porcelain tiles, marble, brick, stone, granite, masonry, and similar materials. Perfect for applications such as installing showers or faucets in bathrooms and kitchens, allowing for precise drilling without cracking the tiles. Other information The inside of the drill bits is filled with dense cooling wax to help cool the bits during use and extend their lifespan.