Rubi 1-3/8 in. Dry Drill Bit

Dry Core Bit to drill porcelain, granite and marble 5/8 in. female arbor and fits on high-speed and variable speed angle grinders. Very fast cutting on granite and engineered stone. For drilling in dry wall, stoneware and porcelain tiles. Drill bit body made of highly resistant steel. Air cooling slots for increased cooling and core removal. Usable with grinder (direct connection) or electric drill.

• 5/8 in. female arbor fits angle grinders
• Maximum operating speed 14,000 r.p.m
• Vacuum brazed diamond set in vacuum for greater durability
• Vacuum brazed bits can be used wet or dry