5/16-18 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (800)

3/4-10 x 1 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/4-10 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (65)

1 1/8-7 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (5)

3/8-24 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1-8 x 3 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (35) 3/4-10 Socket Cap Screws Alloy 5/16-18 x 2 1/2 L91 8 x 3 3 4 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