21AX910
Nut
Mack

This heavy-duty nut is designed to provide secure fastening in critical truck assemblies. Its robust threading and high-strength materials ensure a tight, reliable connection that resists loosening under vibration and stress. Ideal for securing bolts and other fasteners, it plays a vital role in maintaining the integrity of structural and mechanical components. Its precise manufacturing guarantees compatibility with standard hardware, simplifying installation and replacement. Using high-quality nuts like this one enhances safety and prolongs the lifespan of assembled parts. Source One Parts Center offers this essential fastener to support your maintenance needs, ensuring your vehicle remains dependable under demanding conditions.