1. Application: Diamond core bits are worked great for dry drilling holes through porcelain tile, ceramics, bathroom tile,marble granite,stone,masonry, brick with ease,Using water could prolong the lifetime
2. Fast And Smooth Drilling: Special U-groove tooth shape and chip removal design of the tile hole cutter creates a high sharpness, you could drill smoothly with no broken edges
3. Size: Diameter: 51mm/2inch, Max working depth: 50mm, Diamond height: 15mm, Total Length: 75mm
4. High Quality: High level diamond and stong steel body provide durable drilling life and improve the working efficienc,very value for buying
5. Machine: Angle Grinder,if you want to fit our hole saws on drills or other machine, you need an adapter, such as SDS,Hex, Round Plus Shank.