Feature: 1. Applicable Materials: This drill bit is wide applicable and can be used for tile, granite, marble, stone, masonry, brick, etc. 2. Threaded Connection: Our diamond core drill bit is connected with M14 thread, which is a firm connection and gives you a good experience of using it. 3. Fast and Steady: The diamond particles on this diamond core drill bit provide fast and steady drilling, allowing you to work more efficiently. 4. Light Weight: Our diamond core drill bit is light weight, easy to install, and can do dry or wet drilling, very practical. 5. Sturdy and Durable: Our diamond core drill bit is a sturdy drill bit with excellent craftsmanship, which can be last for a long time. Specification: Item Type: Diamond Core Hole Saw Bit Material: 45 steel Applicable Machine: Angle Grinder Total Height: Approx. 60mm / 2.36in Maximum Working Depth: Approx. 40mm / 1.57in Diamond Height: Approx. 15mm / 0.59in . Package List: 1 x Diamond Core Hole Saw Bit1 x Storage Box Note: Manual measurement may have error. Please make sure you don't mind before ordering.