Rubi Dry Diamond Tile Drill Bit 8mm

Rubi dry cut diamond tile drill bits – no water required!
8mm (5/16″) tile drill bit.
For drilling dry into tiles, including porcelain tiles, and stoneware.
For use with an angle grinder (direct connection) or electric drill (adaptor ref: RT-05976 required).
Maximum operating speed 14,000 RPM. For best results apply minimal pressure – let the tool do the work!
Expect to drill 15-20 holes in porcelain tiles if used correctly – around 1 minute per hole.
M14 thread