and a 3/8 in

it provides maximum grip and stability

5/8-11 x 1 3/4 Flat Socket Cap Screw 18-8 (A2) Stainless Steel

1/2 L9 SAE Tension Flatwasher Yellow Zinc Plated Domestic USA (2600)

Choose type 316 for seaside applications and superior corrosion resistance

1/2-13 x 8 Carriage Bolt 316 (A4) Stainless Steel 3/8-24 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA and a 3/8 in1 2 13 x 8 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