S-92501A518 7/8"-14 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through distorted thread top lock design that maintains secure fastening under extreme conditions
• Exceptional durability and reusability with ASTM Grade C steel construction for repeated assembly and disassembly cycles
• Precise thread engagement with Class 2B UNF fine threads ensuring reliable performance in critical applications
• Easy installation and removal using standard wrench tools thanks to the external hex drive design
• Environmental compliance assurance meeting both RoHS 3 and REACH standards for industrial safety requirements
• Optimized for high-stress environments with heavy-duty 1-5/16" width providing enhanced load distribution
• Right-hand thread compatibility with standard UNF 7/8"-14 specifications for seamless integration

Professional Applications & Engineering Value

This 7/8"-14 UNF steel locknut delivers exceptional engineering value through its distorted thread top lock technology, specifically designed to combat loosening in high-vibration industrial environments. The ASTM Grade C material provides the necessary tensile strength for heavy machinery and automotive applications where vibration resistance is critical. The fine thread spacing and Class 2B thread fit ensure precise mating with corresponding bolts, preventing backlash and maintaining clamping force in dynamic loading conditions. Engineered for industrial safety and reliability, this external hex locknut offers a reusable locking solution that withstands repeated torque applications without compromising performance, making it ideal for maintenance-intensive operations in construction equipment, powertrain systems, and industrial machinery.

Specification Summary & Compliance

This heavy-duty locknut features 7/8"-14 UNF fine threads with Class 2B thread fit for precision engagement and consistent performance. Manufactured to ASTM Grade C standards for guaranteed mechanical properties and structural integrity. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in industrial applications. The distorted thread top lock design follows industry-standard locking principles while the external hex drive and standard dimensions ensure compatibility with common installation tools and procedures.