1-8 x 3 1/2 Hex Cap Screw SS 18-8 (A2)

5/16-18 x 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

1/4-28 x 3 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

7/8-9 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

5/16-18 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) 3/4-10 A307 Grade A Carriage Bolts Zinc Plated 1-8 x 3 1/2 Hex5 16 18 x 5 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50) . 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