5/8-11 x 4 Flat Socket Cap Screw Alloy

3/4-16 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (25)

9/16-18 x 2 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (25)

3/8 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (100)

9 DIN 7991 Black Oxide

1-8 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (40) M24-3.00 Flat Socket Cap Screws 12.9 DIN 7991 Black Oxide 5/8-11 x 4 Flat Socket1 8 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (40) . 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