Vulcan Percussion Masonry Drill Bit, 3/16 In Dia X 3/8 In L, Straight Shank

Negative carbide tip for rotary and percussion drilling. All sizes 3/16" and larger have 3 flats on the shank so that the chuck gets a better grip on the bit. Wide flutes quickly move out debris and dust. For drilling brick, stone, concrete, ceramic and damp and dry masonry work.