1/2-20 x 5 Grade 5 Hex Cap Screw Plain Domestic USA (125)

9/16 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (1000)

3/8 x 12 High Speed Long Boy

3/8-24 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

3/8-16 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50)

7/16-14 x 4 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 3/4-16 Grade 5 Hex Cap Screws Zinc Plated 1/2-20 x 5 Grade 57 16 14 x 4 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) . 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