this is an optimal choice for larger projects

1/4 x 2 Mushroom Spike Zinc Plated (100)

7/16-14 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/8-16 x 5/8 Grade 8 Hex Cap Screw Plain Domestic USA (1200)

5/16-18 x 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1/2-13 x 3 3/4 Carriage Bolt 316 (A4) Stainless Steel Strong-Drive SDWS FRAMING Screw this is an optimal choice1 2 13 x 3 3 4 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