1/4-20 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

choose the #8 x 1 5/8" Simpson Deck-Drive™ DSV WOOD Screw

7/8-9 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (15)

fit and elongation

3/4-10 x 12 Carriage Bolt 316 (A4) Stainless Steel 5/16-24 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/4-20 x 4 Grade 53 4 10 x 12 Carriage Bolt 316 (A4) Stainless Steel is made from A4 316 Stainless Steel providing superior corrosion resistance and durability to ensure a long lasting product for outdoor and marine applications With a tensile strength of 80ksi, this bolt will provide a secure and strong hold for your application