CONCRETE SCREWS 1/4" X 4" HEX HEAD CONCRETE SCREW 10PK Product Code: 47010362-00 $13.99 1/4" X 1-1/4" HEX HEAD CONCRETE SCREW 100PK Product Code: 47010363-00 $29.99 1/4" X 2-1/4" HEX HEAD CONCRETE SCREW 100PK Product Code: 47010364-00 $32.99 1/4" X 2-1/4" FLAT HEAD CONCRETE SCREW 100PK Product Code: 47010365-00 $34.99 3/16" X 2-1/4" FLAT HEAD CONCRETE SCREW 100PK Product Code: 47010366-00 $34.99