5/8-11 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (25)

6 x 2 1/4 Square Trim Sharp Point Drywall Screws Phosphate Coated - Carton (3000)

1 1/2 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (10)

or even if you’re just a do-it-yourself enthusiast

1/2-13 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) Finished Hex Nuts 18-8 Stainless Steel 5/8-11 x 6 Grade 81 2 13 x 1 1 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) . 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