7/8 x 18 Carbide Tipped Masonry Drill Bit 7/8 x 18 carbide tipped masonry drill bit MD18-78 $42.450/ea
3/4 x 18 Carbide Tipped Masonry Drill Bit 3/4 x 18 carbide tipped masonry drill bit MD18-34 $29.080/ea