Hyjoy 3/8" 18" Masonry Drill Bits (2 Pack) Concrete Drill Bits Carbide Tipped, for Cement, Brick, Stone, 3-Flat Shank

2-Piece set of 3/8-inch 18-inch masonry drill bits with 3-Flat shank. Working length 16 inch Longer Life: 3/8" concrete drill bit with carbide tips, designed to last to 5 times longer in concrete, brick, cement, stone, and hollow . 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