5/16-18 x 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

1/2-13 x 7 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (90)

7/8-9 x 8 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (45)

3/4-10 x 3 3/4 A325 Type 1 Heavy Hex Bolt Plain (75)

5/8-11 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (80)

9/16-12 x 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) A194 2H Heavy Hex Nuts Hot Dipped Galvanized 5/16-18 x 1/2 Grade 59 16 12 x 2 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