Features Exceptional Durability and Precision: Crafted with advanced diamond hot pressing and sintering technology, ensuring a firm and wear-resistant cutter head for flawless drilling results Fast and Efficient Drilling: Engineered with a sharp edge, this bit boasts a quick drilling speed, allowing you to complete projects in less time without compromising on quality Versatile Compatibility: Designed specifically for BSP1/2in angle grinders, this bit easily drills through ceramics, granite, quartz stone, and more, catering to various material needs Enhanced Work Efficiency: Featuring a large chip removal port design, this tool ensures smooth chip removal during drilling, significantly improving your productivity on the job Compact and Portable Design: Lightweight and easy to carry, this bit simplifies storage and transport, making it a convenient addition to your drilling tools collection Features: 1、Great workmanship, made by diamond hot pring and sintering proc, the cutter head is firm, wear？resistant and without any defect. 2、The drill bit has a long service life, a sharping edge and a fast drilling speed. 3、Suitable for drilling holes on BSP1/2in angle grinders, suitable for drilling holes in ceramics, granite, quartz stone and other materials 4、Can improve work efficiency, large chip removal port design, can smoothly chip removal during drilling. 5、Convenient to use and with good performance, with small size, easy to carry and store. Specification: Item Type: Diamond Hole Saw Drill Bit Material: Diamond Production Proc: Sintering Color: Blue Drilling Diameter: Approx. 6mm / 0.2in 8mm / 0.3in 10mm / 0.4in Total Length: Approx. 98mm / 3.9in Thread: BSP1/2in Applicable Machine: Angle grinder Package List: 1 x Diamond Hole Saw Drill Bit Package List 1 x Diamond Hole Saw Drill Bit