7/16-20 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

5/8-11 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

3/4-10 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (60)

5/8-18 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (25)

1/2-13 x 4 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (150)

1-14 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (40) 3/8-16 Grade 5 Hex Cap Screws Zinc Plated 7/16-20 x 1 Grade 51 14 x 3 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (40) . 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