3/16 x 6 Carbide Tipped Masonry Drill Bit 3/16 x 6 carbide tipped masonry drill bit MD6-3166 $3.200/ea
3/8 x 18 Carbide Tipped Masonry Drill Bit 3/8 x 18 carbide tipped masonry drill bit MD18-38 $19.100/ea