5/16-24 x 7/8 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

3/8-16 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (600)

5/8-11 x 4 1/2 A325 Type 1 Heavy Hex Bolt Hot Dipped Galvanized (100)

7/16-14 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (650)

5/8-18 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

5/8-11 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8-11 Grade 5 Hex Cap Screws Zinc Plated 5/16-24 x 7/8 Grade 55 8 11 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . 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