3/8" x 12" (25 Pack) Galvanized Lag Kit Grade A, Includes: 3/8" 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 M10-1.25 x 30mm Hex Cap Screws (DIN 961, Class 8.8 Steel) – Fine Thread Metric Bolts, Zinc Plated, Full Thread, 100-Pack | -Grade for Automotive & Machinery | Hardware.