Features High Durability: Diamond hot pressing and sintering process ensures firm, wear-resistant cutter head, providing long-lasting performance without loss. Fast Drilling Speed: Sharp edge design enables fast drilling, extending the service life of the diamond drill bit for efficient use. Versatile Compatibility: Suitable for 1/2 BSP angle grinder drilling in ceramics, granite, quartz stone, and other materials, offering versatility in various applications. Efficient Chip Removal: Large chip removal port design allows smooth chip removal during drilling, enhancing drilling speed and efficiency. Superior Material: Crafted from high-class diamond material, offering extremely high hardness and wear resistance for reliable performance. Features: 1、After diamond hot pressing and sintering process, the cutter head is firm, wear？resistant and without loss 2、The product have of sharpness edge, fast drilling speed, long service life 3、1/2 BSP angle grinder drilling is suitable for drilling ceramics, granite, quartz stone and other materials 4、Large chip removal port design, can remove chips smoothly during drilling and increase drilling speed 5、High class diamond material come with extremely high hardness and wear resistance Specification: Item Type: Diamond Drill Bit Material: Diamond Production Process: Sintering Color: Blue Drilling Diameter: Approx. 40mm / 1.6in 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