1-8 x 6 A325 Type 1 Heavy Hex Bolt Plain (25)

1/4-28 x 2 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (750)

You can utilize these pieces of hardware in solid or hollow surfaces

Galvanized nuts are over tapped per ASTM A563

5/16-18 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (600)

3/4-10 x 3 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) 5/8-18 Grade 5 Hex Cap Screws Plain - Domestic USA 1-8 x 6 A325 Type3 4 10 x 3 3 4 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (25) . 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