1 1/2-6 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (5)

3/4-10 x 16 A307A Hex Bolt Plain Steel

the hardness rating is HRC 24-35

3/4-10 x 5 Hex Cap Screw SS 316 (A4)

1-8 x 2 3/4 Hex Cap Screw SS 316 (A4)

5/16-18 x 2 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (100) 3/4-10 Grade 5 Hex Cap Screws Zinc Plated - Domestic USA 1 1/2-6 L9 Hex Nut5 16 18 x 2 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