5/8-18 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (75)

5/16-18 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1650)

5/8-18 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

9/16-18 x 1 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1-14 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) 7/8-9 A325 Type 1 Heavy Hex Bolts Plain 5/8-18 x 5 Grade 51 14 x 5 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