FastenMaster, 5, Gray FMLL005B-250, Ledgerlok Wood Screws, 250-Pk

Manufactured in United states, Nationally code compliant ESR #1078, Head-stamped for easy code inspection, Built in washer hex-head design eliminates the need for additional washers, Costs significantly less per piece than 1/2 inch galvanized lags and washers, Guaranteed corrosion resistance for the life of the project; ACQ approved