1/2-20 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

5/16-18 x 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

2 1/4-8 A194 2H Heavy Hex Nut Hot Dipped Galvanized

1 1/4-7 x 6 A307A Hex Bolt Hot Dipped Galvanized

7/16-20 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (200)

3/4-16 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 5/8-11 A325 Type 1 Heavy Hex Bolts Hot Dipped Galvanized 1/2-20 x 5 1/2 Grade3 4 16 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . Grade 5 Hex Cap Screws are manufactured in the USA from medium carbon steel. Our Grade 5 material meets or exceeds SAE J429 Grade 5 specifications. All products are manufactured with rolled threads. Typical hardness on diameters 1 4 to 1 inch is HRC 25 34. On diameters over 1 inch to 1 1 2 hardness will range from HRC 19 30. Tensile strength for diameters 1 4 to 1 inch is a minimum