S-94828A425 3/8"-16 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through Flex-Top locking technology, preventing loosening in high-stress environments
• Enhanced corrosion protection with cadmium-plated steel construction for extended service life in harsh conditions
• Optimized installation clearance with extra-wide thin profile design, ideal for space-constrained applications
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and easy assembly
• High torque capability through external hex drive design for secure fastening with standard tools
• Wide compatibility with 3/8"-16 UNC coarse threads, meeting common industrial standards
• Durable mechanical properties from steel core material maintaining integrity under heavy loads

Professional Applications & Engineering Value

This 3/8"-16 UNC locknut delivers exceptional engineering value through its specialized Flex-Top locking mechanism and cadmium-plated steel construction. The innovative flex-top design creates consistent radial pressure along the thread engagement, effectively resisting vibration-induced loosening in machinery, automotive, and industrial equipment applications. The extra-wide thin profile provides substantial bearing surface while maintaining low height, solving space limitation challenges in assembly designs. Manufactured with Class 2B thread fit and coarse UNC threads, this external hex locknut ensures reliable performance in high-vibration environments where maintaining clamp load is critical. The cadmium plating offers superior corrosion resistance, extending service life in demanding conditions while maintaining consistent locking performance through numerous installation cycles.

Specification Summary & Compliance

This locknut features 3/8"-16 UNC coarse threads with Class 2B thread fit for precise engagement and reliable performance. The manufacturing follows standard industrial specifications for external hex drive locknuts with right-hand thread direction. Dimensions include 5/8" width across flats and 9/32" height for the extra-wide thin profile. The product complies with relevant industrial standards for mechanical properties and performance requirements, with cadmium plating meeting typical corrosion protection specifications for industrial fasteners.