5/16-24 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500)

3/8-16 x 1 Grade 5 Hex Cap Screw Plain Domestic USA (900)

A new plating that is 7x more corrosion resistant than standard zinc plating

0 x 250 Hex Cap Screw 8

7/16-14 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (650) 1/4-28 Grade 8 Hex Cap Screws Yellow Zinc Plated - Domestic USA 5/16-24 x 3 Grade 57 16 14 x 1 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (650) . 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