1 1/2-6 Grade 2 Finished Hex Nut Zinc Plated

3/4 x 7 Hex Lag Screw Zinc Plated

1/4-20 x 5 1/2 Grade 8 Hex Cap Screw Yellow Zinc Plated Domestic USA (400)

1/2-13 x 7 1/2 Hex Cap Screw SS 18-8 (A2)

7/8-9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) 1/2 Hex Lag Screws Zinc Plated 1 1/2-6 Grade 2 Finished7 8 9 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (35) . 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