Features Exceptional Durability: Constructed with diamond hot pressing and sintering, ensuring the cutter head is firm and wear-resistant for long-lasting performance Rapid Drilling Efficiency: Designed with a sharp edge for fast drilling speeds, allowing you to complete projects quickly without sacrificing quality Versatile Compatibility: Perfectly suited for 1/2 BSP angle grinders, this tool can effortlessly drill through ceramics, granite, quartz stone, and more Enhanced Chip Removal: Features a large chip removal port design that effectively displaces debris during drilling, significantly increasing drilling speed Superior Hardness: Made from high-grade diamond material, this drill bit offers exceptional hardness and wear resistance, making it ideal for tough materials Features: 1、Made by diamond hot pring and sintering proc, the cutter head is firm, wear-resistant and without loss 2、The product poss of sharpn edge, fast drilling speed, long service life 3、1/2 BSP angle grinder drilling, suitable for drilling ceramics, granite, quartz stone and other materials 4、Large chip removal port design can smoothly remove chips during drilling and increase drilling speed 5、 diamond material come with extremely high hardn and wear resistance Specification: Item Type: Diamond Drill Bit Material: Diamond Production Proc: Sintering Color: Blue Drilling Diameter: Approx. 12mm / 0.5in Total Length: Approx. 98mm / 3.9in Thread: 1/2BSP Applicable Machine: Angle grinder Package List: 1 x Diamond Drill Bit Package List 1 x Diamond Drill Bit