Do it-2 pcs Do it 7/16 In. x 6 In. Rotary Masonry Drill Bit

For rotary drilling in concrete brick and masonry. Fast spiral double flutes quickly clear material from hole to grind masonry down as a user cuts through it.. Zinc finish. High quality bit for many uses.; Drill into tough materials such as concrete brick and other masonry3/8 In. ReducedZinc;