9/16-18 x 5 Socket Cap Screw Alloy

1/4-28 x 3 Grade 5 Hex Cap Screw Plain Domestic USA (100)

1/2-13 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (300)

1/2-20 x 4 Grade 5 Hex Cap Screw Plain Domestic USA (25)

Sulfur: Maximum 0

1/4-20 x 3 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500) 1-8 L9 Hex Cap Screws Yellow Zinc Plated - Domestic USA 9/16-18 x 5 Socket Cap1 4 20 x 3 3 4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (500) . 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