1/2-13 x 9 Grade 5 Hex Cap Screw Zinc Plated

5/8-18 x 2 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (125)

7/16-20 x 7/8 Grade 5 Hex Cap Screw Plain Domestic USA (100)

7/8-9 x 4 3/4 A325 Type 1 Heavy Hex Bolt Plain (50)

1/2-13 x 3 1/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (175)

1/2-13 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 1-8 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 1/2-13 x 9 Grade 51 2 13 x 6 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) . 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