1/4-20 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

1/4-28 x 1 Grade 8 Hex Cap Screw Plain Domestic USA (100)

5/16-18 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (1650)

meets or exceeds ASTM F835

7/16-20 x 4 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (175) 1 1/2-6 A307A Hex Bolts Plain Steel 1/4-20 x 3 1/2 Grade7 16 20 x 4 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (175) . 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