1/2-13 x 3 1/2 A325 Type 1 Heavy Hex Bolt Plain (200)

1-14 x 5 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (40)

which can be any number you see fit for your job

Fully assembled nut

1-8 x 28 A307A Hex Bolt Plain Steel

7/16-20 x 3 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (225) 1-14 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 1/2-13 x 3 1/2 A3257 16 20 x 3 1 2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (225) . 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