5/8-18 x 3 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1/4-20 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (400)

9/16-12 x 5 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (75)

1/4-28 x 2 Grade 5 Hex Cap Screw Plain Domestic USA (100)

5/16 x 3 1/2 Flat Sleeve Anchor Zinc Plated (50)

1/4-20 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1900) Star Flat Decking Screws Yellow Zinc Plated 5/8-18 x 3 3/4 Grade1 4 20 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (1900) . 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