1-14 x 3 1/2 L9 Hex Cap Screw Yellow Zinc Plated Domestic USA (60)

3/8-16 x 5 1/2 Grade 8 Hex Cap Screw Plain Domestic USA (50)

1-14 x 1 1/2 Grade 5 Hex Cap Screw Plain Domestic USA (55)

but they’re also vibration- and shock-resistant

3/8 x 3 1/2 Round Split Drive Anchor Zinc Plated (25)

5/16-18 x 5 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (50) 5/8-11 Socket Cap Screws Alloy 1-14 x 3 1/2 L95 16 18 x 5 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 of