Hyjoy 1/2" 18" Masonry Drill Bits (2 Pack) Concrete Drill Bits Carbide Tipped, for Cement, Brick, Stone, 3-Flat Shank

2-Piece set of 1/2" 18" masonry drill bits with 3-Flat shank. Working length 16 inches Longer Life 1/2" concrete drill bit with carbide tips, lasts to 5 times longer in concrete, brick, cement, stone, and hollow materials. More Efficiently Optimized flute design ejects dust faster. holes into concrete and masonry quickly Precise Holes carbide tip delivers stability and accuracy for , and achieve maximum holding -strength carbon steel shank, constructed from treated body prevents breakage