Product Overview
Roto-Percussion Masonry Drill Bit, 5/16" Diameter, 12" Overall Length, 10-1/2" Drilling Depth, 1/4" Shank, Carbide-Tipped, Straight Shank, For 3 Jaw Drill Chucks, 1 per Tube. Alfa Tools MHD62011P 5/16 x 12 Heavy Duty Hammer Drill Tubed