General description Pack of 3 diamond drill bits designed for dry drilling of porcelain, tiles, granite, marble, and ceramics. These vacuum-brazed core bits feature an M14 thread and are available in three sizes: 6 mm, 8 mm, and 10 mm. The vacuum brazing technology used in these bits ensures a longer service life compared to traditional galvanized bits, while minimizing breakage and heat generation, resulting in better processing quality. Technical specifications Sizes: 6 mm, 8 mm, 10 mm Total length: 60 mm Diamond height: 10 mm Thread: M14