meets or exceeds ASTM F879

5/8-11 x 6 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (100)

1/4-20 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100)

3/8-24 x 2 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (50)

5/16-18 x 3 1/4 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (450)

5/16-18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) M20-2.50 Hex Cap Screws DIN 933 18-8 Stainless Steel (A2) meets or exceeds ASTM F8795 16 18 x 2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) . 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