1/2-13 x 1 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

9/16-18 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (125)

1/4-20 x 3/8 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

3/4-16 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (55)

1 1/8-7 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) 1-8 A325 Type 1 Heavy Hex Bolts Plain 1/2-13 x 1 1/4 Grade1 1 8 7 x 2 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) . 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