Rubi Diamond DRYGRES Dry Cutting Drill Bit 1/4" (thread 5/8")

The range of DRYGRES diamond drills are recommended for the drilling of all types of ceramic tile, especially porcelain stoneware, and other coating materials such as marble and granite. In the range of DRYGRES drills, RUBI has used the vacuum welding technology VACUUM BRAZED, which increases the resistance to temperature and friction, to fix the diamond particles to the cutting area. For drilling in dry wall, stoneware and porcelain tiles. Maximum operating speed 14,000 r.p.m. M14 thread finish. Usable with grinder (direct connection) or electric drill (adapter ref. 05976). Supplied in blister.