[25 PKG] Hex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 7/8-9

Hex Lock Nuts Nylon Insert Grade C Medium Carbon Phosphate Oil 7/8-9 are self-locking nuts designed to resist loosening caused by vibration. Featuring a nylon insert, these nuts maintain locking torque and prevent back-off in dynamic assemblies. Constructed from Grade C medium carbon steel and finished with a phosphate coating and oil for corrosion resistance and smooth operation.

• Nylon insert locking provides positive, vibration-resistant locking action that reduces loosening under load.
• Grade C medium carbon steel offers dependable strength and durability for demanding applications.
• Phosphate coating with oil enhances corrosion resistance and lubricity for easier installation and longer service life.
• Thread size 7/8-9 UNC is compatible with standard bolts and nuts using 7/8 inch diameter with 9 threads per inch.
• Hex nut design enables secure wrench engagement and repeatable installation in tight spaces.

Ideal for automotive, industrial machinery, and construction projects where fastener security is essential in the presence of vibration and dynamic loads. Use with corresponding bolts to achieve reliable, long-lasting assemblies.