Rubi DRYGRES 4GRINDER Drill Bits

Rubi DRYGRES 4GRINDER Drill Bits A dry core bit to drill porcelain, granite, and marble 5/8" female arbor fits on high-speed and variable-speed angle grinders. Very fast cutting on granite and engineered stone Features For drilling of ceramic tile, porcelain, and stone 5/8"-11 thread female arbor fits angle grinders Maximum Speed 14,000 RPM Vacuum brazed diamond set in vacuum for greater durability Vacuum brazed bits can be used wet or dry Drill bit body made of highly resistant steel Air cooling slots for increased cooling and core removal Usable with a grinder (direct connection) or electric drill (adapter) part no. 05976