Features 1、Made of diamond after hot pressing and sintering process, the cutter head is firm, wear resistant and durable without loss 2、The product possess of sharpness edge, fast drilling speed, and long service life 3、1/2 BSP angle grinder drill bit is suitable for drilling ceramics, granite, quartz stone and other materials 4、Adopt large chip removal port design, can smoothly remove chips during drilling and increase drilling speed 5、Good quality diamond material come with extremely high hardness and wear resistance Specification Item Type: Diamond Hole Saw Material: Diamond Production Process: Sintering Color: Blue Drilling Diameter: Approx. 50mm / 2in Total Length: Approx. 98mm / 3.9in Thread: 1/2BSP Applicable Machine: Angle grinder Package List 1 x Diamond Hole Saw