3/4-16 x 3 1/2 Gr

1 1/4-12 x 5 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (6)

1-8 x 4 1/2 Flat Socket Cap Screw Alloy

5/16-24 L9 Hex Nut Alloy Cadmium Yellow and Wax Coated Domestic USA (4000)

3/4-10 x 1 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (140) 5/8-18 Flat Socket Cap Screws Alloy 3/4-16 x 3 1/2 Gr3 4 10 x 1 1 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (140) . 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