9/16-18 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

5/8-11 x 4 3/4 Hex Cap Screw SS 18-8 (A2)

5/16-18 x 2 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (100)

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

1-8 x 6 A307A Hex Bolt Plain Steel

5/8-11 x 6 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) 1 1/4-7 Socket Set Screws Cup Point Alloy 9/16-18 x 4 Grade 85 8 11 x 6 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (10) . 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