1/2-20 x 4 Grade 8 Hex Cap Screw Plain Domestic USA (150)

5/8-18 x 4 3/4 Grade 8 Hex Cap Screw Yellow Zinc Plated

50 x 240 Socket Cap Screw 12

1/2-13 x 4 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

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

3/8-16 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 2-4 1/2 Socket Cap Screws Alloy 1/2-20 x 4 Grade 83 8 16 x 3 3 4 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