3/8 x 18 Carbide Tipped Masonry Drill Bit 3/8 x 18 carbide tipped masonry drill bit MD18-38 $19.100/ea
7/8 x 12 Carbide Tipped Masonry Drill Bit 7/8 x 12 carbide tipped masonry drill bit MD12-78 $30.600/ea
7/8 x 24 Carbide Tipped Masonry Drill Bit 7/8 x 24 carbide tipped masonry drill bit MD24-78 $40.600/ea