Vulcan 202731OR Drill Bit 3/8 in Dia 6 in OAL Percussion Spiral Flute 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.