Disston 282236 Master Mechanic 5/32 Inch By 5-1/2 inch Percussion Masonry Drill Bit

5/32 inch x 5-1/2 inch, black oxide, rotary percussion, carbide tipped masonry drill bit, standard shank, beveled edge, negative point provides faster penetration when used with hammer drill or drill in percussion mode, black oxide surface finish with deep, heat treated flutes, recommended for drilling cinder block, common & hard brick, plaster, ceramic tile, glazed tile & wet or dry concrete, moderate use in marble, granite & concrete over 6000 psi, carded.