Rubi Drygres Premium Diamond Drill Bits

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Rubi Drygres Premium Drill Bits Rubi's premium line of drill bits is for use with a grinder (dry or wet use), and it provides a cleaner result with better longevity. Features Rubi' s DRYGRES diamond drill bits are ideal for drilling ceramic tiles of all kinds, particularly porcelain stoneware, as well as other covering materials like granite and marble High-quality materials and vacuum brazed diamond grits provide an extended lifespan and increased durability In the smallest diameters (1/4" to 3/8"), integrated wax has been utilized to aid with cooling and lubricating during drilling "Easy-Start" Without slipping Available Sizes 1/4" 3/8" 3/4" 1-1/8" 1-3/8" 1-5/8" 2" Show more