They are nickel plated for appearance

1-8 x 14 A307A Hex Bolt Hot Dipped Galvanized

3/16 x 4 Phillips Flat Hi-Low Thread Concrete Screws Blue Ceramic Coated

1/2-20 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450)

Made of galvanized steel with a ceramic topcoat

7/8-9 x 6 A325 Type 1 Heavy Hex Bolt Plain - Bulk Keg (160) Simpson Square Trim-Head Wood Decking Screws 305 Stainless Steel They are nickel plated forThis 7 8 9 x 6 A325 Type 1 Heavy Hex Bolt Plain is corrosion resistant and great for outdoor use due to its weatherability. It also features a plain finish for a clean look and easy to maintain finish. Ideal for construction projects, this package includes 160 bolts for all your needs.