7/16-14 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (50)

3/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (100)

5/8-18 x 3 Socket Cap Screw Alloy

5/16-18 L9 Hex Collar Locknuts Cadmium Yellow & Wax Coated Domestic USA (100)

7/16-14 x 3 1/4 Grade 8 Hex Cap Screw Plain Domestic USA (25)

5/8-11 x 6 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25) 1/2 Hex Lag Screws Zinc Plated 7/16-14 x 1 1/2 Grade5 8 11 x 6 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 of