Heavy Duty - This Vacuum brazed diamond drill core bit is able to dry, wet drill through porcelain, tile, granite, marble, stone, masonry, block, brick, and non-reinforced concrete
Compatible Machines - Dry Diamond Core Drill Bit built with 5/8-11 threading female arbor for most popular Angle Grinders, wet polisher; Do not use this adapter and Core Drill Bits on Hammer Mode
Work with Drills Too - 3/8inch Hex Shank Adapter Included, 5/8-11 Male Thread to 3/8inch Hex Shank Adapter available for drills or other machines that accept Hex shank
Very Useful - Diamond Grain design ensures fast and smooth drilling; Perfect for drilling the faucet-mounting holes in countertops and vanities, and making clean rounded corners for square or rectangular sinkholes