S-92501A513 5/8"-11 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through distorted top lock technology that maintains secure fastening under extreme conditions
• Heavy-duty performance with ASTM Grade C steel construction ensuring reliable strength for demanding industrial applications
• Precise thread engagement with Class 2B thread fit providing consistent, reliable mating with mating components
• Easy installation and removal using standard tools thanks to the external hex drive design
• Environmental compliance assurance with REACH and RoHS 3 certification for safe industrial use
• Optimal thread compatibility with 5/8"-11 UNC coarse threads meeting industry standards for various applications
• Durable construction with standard hex profile offering long service life in high-stress environments

Professional Applications & Engineering Value

This 5/8"-11 UNC steel locknut with distorted top lock technology addresses critical vibration-induced loosening challenges in heavy machinery, construction equipment, and automotive assemblies. The ASTM Grade C material provides exceptional tensile strength while the distorted thread design creates permanent friction locking without requiring additional locking elements. The external hex drive enables efficient installation in confined spaces, making it ideal for maintenance operations and production lines where reliability is paramount. Engineered for industrial applications requiring consistent performance under dynamic loads, this locknut maintains integrity through thermal cycling and mechanical stress while meeting stringent REACH and RoHS 3 compliance standards.

Specification Summary & Compliance

This locknut features 5/8"-11 UNC coarse threads with Class 2B thread fit tolerance ensuring precise engagement with mating components. Manufactured to ASTM Grade C specifications for consistent mechanical properties, the nut maintains dimensional accuracy with 15/16" width and 35/64" height. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, providing assurance for industrial applications requiring chemical substance restrictions. The right-hand thread direction and external hex drive style follow industry-standard configurations for broad compatibility.