[100 PKG] Hex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 9/16-12

Enhance fastening reliability with our Hex Lock Nuts featuring a Nylon Insert for secure torque retention. This Grade C Medium Carbon Steel nut is finished with a Phosphate Oil coating for corrosion resistance, and is sized 9/16-12.

Designed for vibration-heavy applications, the nylon insert locks the nut in place as the bolt is tightened, helping prevent loosening in demanding environments.

• Nylon insert lock action: Creates a locking friction that resists loosening from vibration and dynamic loads.
• Durable Grade C medium carbon steel: Delivers reliable strength for automotive, machinery, and industrial use.
• Phosphate oil finish: Provides corrosion protection while aiding lubrication during assembly.
• Hex configuration: Easy to install with standard wrenches.
• Size compatibility: Fits 9/16-12 threaded bolts.

Specifications

• Thread size: 9/16-12
• Material: Grade C medium carbon steel
• Finish: Phosphate oil
• Type: Hex lock nut with nylon insert