2-Piece of 1/2" x 18" masonry drill bits with 3-Flat shank. Working length 16 inch
Longer Life - 1/2" concrete drill bit with premium head tungsten carbide tips, up to 5x longer life in concrete, brick, cement, stone, rock and hollow block
More Efficiently - Optimized flute design ejects dust faster. Drilling anchor holes into solid concrete and masonry quickly
Precise Holes - Precision carbide tip delivers stability and accuracy for drilling, and achieve maximum holding power
High-strength carbon steel shank, constructed from heat treated body prevents breakage