BRSCHNITT 5pcs/pack Diamond Drill Bit Set, 6mm, Hex Shank, High Performance, for Porcelain Tile Ceramic Stone Granite Marble

Size --5pcs/pack,1/4"(6mm), diamond height 8mm, total length 65mm,diamond grit #50/60, round shank diamond core drill bit High Performance --Special design of spiral groove at the top of bit helps for chip removal,Wax inside the drill bit helpful for Cooling and Lubrication Machine --Suitable for any electric drill,hand drill,Bench Drill, When use Angle Grinder,please install angle grinder drill chuck International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.