[150 PKG] Hex Lock Nuts Serrated Flange Case Harden Steel Black Oxide 5/8-11

Upgrade your fastening hardware with the Hex Lock Nuts Serrated Flange Case Harden Steel Black Oxide 5/8-11. These nuts deliver superior locking action and surface protection for demanding environments. The combination of serrated flange, case-hardened steel construction, and a durable black oxide finish makes them ideal for automotive, machinery, and equipment assemblies where vibration resistance and long-term wear are critical.

Key Benefits

• Locking performance: Serrated flange bites into the mounting surface to reduce loosening from vibration while providing a secure seat.
• Strength and durability: Made from case-hardened steel for enhanced hardness and wear resistance.
• Finish and corrosion resistance: Black oxide coating provides a uniform, low-reflection finish and extra corrosion resistance in moderate environments.
• Size and compatibility: Thread size 5/8-11 (UNC) fits standard 5/8-11 hardware and fastens with common precision.

Specifications

• Type: Hex lock nut with serrated flange
• Material: Case-hardened steel
• Finish: Black oxide
• Thread: 5/8-11 UNC

For reliable, vibration-resistant fastening in mechanical assemblies, choose these hex lock nuts with serrated flanges. Add to cart now to ensure you have the right hardware for your project.