Nylon Insert Lock Nut, 7/8"-9 NC

Nylon Insert Lock Nut, 7/8"-9 NC

The NNC78 Nylon Insert Lock Nut is a heavy-duty 7/8"-9 NC locking nut engineered for secure fastening in demanding mechanical, automotive, and industrial applications. Its integrated nylon insert resists loosening from vibration and torque, helping maintain a strong, dependable hold even under heavy loads. Manufactured from high-strength, corrosion-resistant steel, this lock nut is built for serious fastening jobs where backing off simply isn’t an option.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: NNC78
• Product Type: Nylon insert lock nut
• Thread Size: 7/8"-9 NC (National Coarse)
• Thread Compatibility: Designed for standard 7/8"-9 coarse-thread bolts
• Locking Mechanism: Integrated nylon insert to resist vibration loosening
• Material: High-strength steel
• Finish / Protection: Corrosion-resistant
• Performance: Helps prevent loosening under vibration and torque
• Application Range: Suitable for automotive, machinery, and construction projects

Ideal For

• Heavy machinery requiring vibration-resistant fastening
• Automotive assemblies exposed to movement and torque
• Construction projects needing secure, load-bearing fasteners
• Replacing standard nuts where maximum locking security is critical