3/8 x 3 Mushroom Spike 316 SS (25)

3/4-10 x 10 A307 Grade A Carriage Bolt HDG

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

5/16-24 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (250)

1-14 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) USS Flat Washers Hot Dipped Galvanized 3/8 x 3 Mushroom Spike1 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