salt spray resistance

but they’re also vibration- and shock-resistant

3/4-10 x 7 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (60)

1-14 x 1 3/4 Grade 5 Hex Cap Screw Zinc Plated

5 x 130 Hex Cap Screw 8

1-14 x 3 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (40) 1/2 Hex Lag Screws Hot Dipped Galvanized salt spray resistance1 14 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