1/2-13 x 4 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (125)

7/16-14 x 3 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

Zinc plated Socket Head Cap Screws from Brighton Best

7/16-20 x 1 1/4 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (600)

Hi-Low thread pattern creates higher pullout tolerances

5/8-11 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25) 5/8-18 Hex Cap Screws 316 Stainless Steel 1/2-13 x 4 1/2 Grade5 8 11 x 1 1 2 Grade 5 Hex Cap Screw Plain 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