5/8-11 x 1 3/8 Socket Cap Screw Alloy

1 L9 USS Tension Flatwasher Yellow Zinc Plated Domestic USA (20)

This fastener is corrosion resistant guaranteed

Asymmetrical thread pattern resists material slippage during pull out and vibration

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

5/16-24 x 1 1/2 Grade 5 Hex Cap Screw Zinc Plated Domestic USA (100) 1/2 Hex Lag Screws Zinc Plated 5/8-11 x 1 3/8 Socket5 16 24 x 1 1 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