Features Premium Diamond Material: Crafted from top-quality diamond, this drill bit ensures exceptional hardness and durability, making it ideal for tough materials like ceramic and granite Advanced Vacuum Brazing Technology: Utilizing state-of-the-art vacuum brazing, this drill bit offers a longer lifespan compared to traditional electroplated options, ensuring reliable performance Superior Drilling Performance: Experience minimal chipping and breakage with this drill bit, which delivers efficient heat dissipation and smooth finishes for all your drilling needs Fast and Aggressive Drilling: Designed with high diamond exposure rates, this diamond hole saw allows for quicker drilling, saving you time on projects without compromising quality Versatile Application Range: Perfect for a variety of materials, this tool excels in drilling tiles, ceramics, marble, and more, making it a practical addition to any toolkit Features: 1、 DIAMOND: Made of excellent diamond material, , with high hardn, high melting point, high insulation, chemical stability 2、 TECHNOLOGY: Vacuum brazing technology provides longer service life than electroplating technology, very practical 3、EXCELLENT PERFORMANCE: Brazed diamond drill bit come with l crumb, l breakage, l heat, and good finish 4、FAST AND EFFICIENT: Diamond hole saw with high diamond exposure rates provide faster, more aggrive drilling 5、WIDE RANGE OF USES: Vacuum brazed diamond drill bit is widely used in drilling tiles, ceramics, granite, marble, etc., useful and practical Specification: Item Type: Brazed Diamond Drill Bit Material: Diamond Colour: Black Specification: 2Pcs x 6mm, 2Pcs x 8mm, 10, 12, 14mm 1 of each Size: Approx. 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.39in, 12mm / 0.47in, 14mm / 0.55in Uses: Widely used in the drilling of tiles, ceramics, granite, marble, etc. Package List: 7 x Brazing Hole Opener 1 x Extension Rod 1 x Storage Box Package List 7 x Brazing Hole Opener 1 x Extension Rod 1 x Storage Box