9/16 x 6 Carbide Tipped Masonry Drill Bit 9/16 x 6 carbide tipped masonry drill bit MD6-916 $8.000/ea
5/16 x 6 Carbide Tipped Masonry Drill Bit 5/16 x 6 carbide tipped masonry drill bit MD6-5166 $3.900/ea
7/16 x 6 Carbide Tipped Masonry Drill Bit 7/16 x 6 carbide tipped masonry drill bit MD6-7166 $6.100/ea