7/8-14 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (40)

5/16-24 x 1 3/4 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1/4-20 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (450)

1-8 x 6 Grade 8 Hex Cap Screw Yellow Zinc Plated

5/8-18 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/4-28 x 3 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (550) 5/8 Hex Lag Screws Zinc Plated 7/8-14 x 4 1/2 Grade1 4 28 x 3 1 2 Grade 5 Hex Cap Screw Plain Domestic USA (550). 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