1/4-28 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (100)

These percentages exist in 303

5/8-18 x 2 Grade 8 Hex Cap Screw Plain Domestic USA (175)

5/16-18 x 1 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (1250)

9/16-18 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (25) 3/8-16 Grade 8 Hex Cap Screws Plain - Domestic USA 1/4-28 L9 Hex Nut Alloy9 16 18 x 6 Grade 5 Hex Cap Screw Plain 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 of 120,000