Rubi 4910 20 mm Dry Diamond Drill Bit

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