Masonry Drill Bit - 5/16" x 4" x 6" concrete drill bit, 2 Pack, with 1/4" Hex shank type
Longer Life - 5/16" masonry drill bit with premium head tungsten carbide tips, for up to 5x longer life in concrete, brick, cement, stone, rock, cinder block and other masonry material
More Efficiently - Optimized flute design ejects dust faster. Drilling anchor holes into concrete and masonry quickly. Working length 4 inch
Precise Holes - Precision carbide tip delivers stability and accuracy for drilling in concrete
Constructed from heat treated body prevents breakage