5/16-24 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

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3/8-24 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (100)

3/4-16 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (20)

3/4-10 x 14 A307A Hex Bolt Hot Dipped Galvanized

1-14 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) USS Flat Washers Hot Dipped Galvanized 5/16-24 x 3 1/2 Grade1 14 x 3 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) . Grade 8 Hex Cap Screws are manufactured in the USA from medium carbon alloy steel. In diameters 1 4 to 1 1 2 inches our Grade 8 material meets or exceeds SAE J429 Grade 8 specifications. Diameters over 1 1 2 inches meet or exceed ASTM A354 Grade BD. All material is manufactured with rolled threads. Yellow zinc plated bolting will meet or exceed ASTM F1941. Typical hardness on