Nylon Insert Lock Nut, 5/8"-11

Nylon Insert Lock Nut, 5/8"-11

The NNC58 Nylon Insert Lock Nut is a heavy-duty 5/8"-11 NC locking nut built for secure fastening in mechanical, automotive, and industrial applications. Its integrated nylon insert resists loosening from vibration and torque, delivering a dependable, long-lasting hold in high-stress environments. Made from high-strength, corrosion-resistant steel, this lock nut is designed to stay tight when the workload gets serious—no second guessing required.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: NNC58
• Product Type: Nylon insert lock nut
• Thread Size: 5/8"-11 NC (National Coarse)
• Thread Compatibility: Designed for standard 5/8"-11 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 machinery, automotive, and construction use

Ideal For

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