General description These 2 Pieces Diamond Drill Bits are designed for dry drilling in porcelain tile, granite, and marble. With a diameter of 6mm, these drill bits are ideal for both professional and DIY applications. Technical specifications Diameter: 6mm Total length: 60mm Diamond height: 10mm Thread: M14 Usage Suitable for drilling ceramic tiles, marble stone, and granite. Can be used for both dry and wet drilling. Other information Vacuum brazing technology enhances durability, offering a service life 3-5 times longer than traditional electrodes. Features reduced chipping, breakage, and heat generation for better quality drilling. Other available diameters: 6MM, 8MM, 10MM, 12MM, 14MM, 16MM, 20MM, 25MM, 28MM, 30MM, 35MM, 40MM, 45MM, 50MM, 55MM, 65MM, 68MM, 75MM.