5/8" x 4" (25 Pack) Galvanized Lag Kit Grade A, Includes: 5/8" USS Flat Washers (25 pc) - Hot Dip Galvanized for Exterior Use - by, LLC$$Hardware

Superior Corrosion Resistance External Hex Drive ASTM A307 Compliant Hot Dipped GalvanizedYou may also like #10 x 1 1/2" Self-Drilling Screws/Phillips/Flat Undercut /Steel/Zinc / 1,000 Pc. Carton.