5/16-18 x 6 Grade 8 Hex Cap Screw Plain Domestic USA (250)

1/2-20 x 1 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

5/16-24 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (1000)

5/8-11 x 4 1/4 Hex Cap Screw SS 316 (A4)

3/8-24 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) Round Split Drive Anchors Zinc Plated 5/16-18 x 6 Grade 83 8 24 x 5 1 2 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