3/8 x 18 Carbide Tipped Masonry Drill Bit 3/8 x 18 carbide tipped masonry drill bit MD18-38 $19.100/ea
1/4 x 18 Carbide Tipped Masonry Drill Bit 1/4 x 18 carbide tipped masonry drill bit MD18-14 $14.400/ea
3/4 x 12 Carbide Tipped Masonry Drill Bit 3/4 x 12 carbide tipped masonry drill bit MD12-34 $25.330/ea