The STEMCO pro-torq 1-3/4"-12 axle spindle nut with lock for Meritor FL axle features secure locking, significantly minimizing the risk of axle nut loosening during operations. Its precision threading ensures optimal alignment and balance for wheel assemblies. This spindle nut is designed to prevent premature wear and tear on wheel bearings, contributing to a longer service life. Constructed from high-strength materials, it withstands high stress and heavy loads. Additionally, it is compatible with pro-torq tools, facilitating straightforward maintenance tasks.