Grade 8 Hex Cap Screws are manufactured from medium carbon alloy steel

1/2-20 x 1 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (450)

3/4-10 x 3 1/2 Hex Cap Screw SS 316 (A4)

3/4-16 x 2 1/2 Flat Socket Cap Screw Alloy

1/2-13 x 6 Grade 5 Hex Cap Screw Plain Domestic USA (25)

1/2-13 x 2 1/4 Grade 5 Hex Cap Screw Plain Domestic USA (50) Magnetic Nut Setters Grade 8 Hex Cap Screws1 2 13 x 2 1 4 Grade 5 Hex Cap Screw Plain 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 of