3/8 x 18 Carbide Tipped Masonry Drill Bit 3/8 x 18 carbide tipped masonry drill bit MD18-38 $19.100/ea
3/8 x 12 Carbide Tipped Masonry Drill Bit 3/8 x 12 carbide tipped masonry drill bit MD12-38 $12.700/ea
3/8 x 24 Carbide Tipped Masonry Drill Bit 3/8 x 24 carbide tipped masonry drill bit MD24-38 $20.630/ea