18-8 stainless steel carriage bolts are manufactured to meet or exceed ANSI B18

1/2-13 x 1 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (375)

5/16-24 x 1 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

5/16-18 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500)

1/2-20 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

M36-4.0 DIN 985 Nylon Insert Locknuts Zinc Plated - Metric Grade 2 Square Nuts Hot Dipped Galvanized 18-8 stainless steel carriage boltsThese M36 4. 0 DIN 985 Zinc Plated Nylon Insert Locknuts provide a reliable tightening solution with their nylon insert, which helps prevent against corrosion. The metric threads ensure stability and security for your projects.