9/16-18 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (150)

1/4-20 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (1200)

7/8-14 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35)

5/8-18 x 2 3/4 Hex Cap Screw SS 18-8 (A2)

9/16-18 x 2 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/4-16 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) Finished Hex Nuts 316 Stainless Steel 9/16-18 x 4 L9 Hex3 4 16 x 2 1 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