1/4-28 x 3/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

5/8-18 x 4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

3/8-16 x 3/4 Grade 8 Hex Cap Screw Plain Domestic USA (1100)

3/8-16 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (800)

3/4-16 x 3 1/2 Gr

7/16-14 x 3 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) Cap Nuts 18-8 Stainless Steel 1/4-28 x 3/4 L9 Hex7 16 14 x 3 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (225) . 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