S-94828A435 1/2"-13 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance with innovative Flex-Top locking technology that maintains secure fastening under dynamic loads
• Enhanced corrosion protection through cadmium-plated steel construction for extended service life in harsh environments
• Easy installation and removal with external hex drive style providing reliable tool engagement and torque application
• Space-saving design featuring extra-wide thin profile ideal for applications with limited clearance requirements
• Reliable thread engagement with Class 2B thread fit ensuring consistent performance and proper mating with male threads
• Quick assembly efficiency through coarse UNC thread spacing reducing installation time in production environments
• Right-hand threading compatibility for standard industrial applications and replacement scenarios

Professional Applications & Engineering Value

This 1/2"-13 UNC Flex-Top locknut delivers exceptional engineering value in demanding industrial applications where vibration-induced loosening poses significant reliability concerns. The cadmium-plated steel construction provides essential corrosion resistance for machinery operating in challenging environments, while the innovative Flex-Top locking technology creates consistent prevailing torque that maintains clamp load without damaging mating threads. The extra-wide thin profile offers substantial bearing surface in confined spaces, making it ideal for automotive assemblies, heavy equipment, and structural frameworks where both vibration resistance and space optimization are critical. The external hex drive ensures straightforward installation with standard tools, reducing assembly time and improving maintenance efficiency in production and repair scenarios.

Specification Summary & Compliance

This heavy-duty locknut features precise 1/2"-13 UNC coarse threads with Class 2B thread fit tolerances, ensuring reliable mating with corresponding male threads. The external hex drive measures 13/16" across flats with a 21/64" height for the extra-wide thin profile. Manufactured to industry standards for locknuts with right-hand threading, this component meets relevant industrial specifications for vibration-resistant fasteners. The cadmium-plated steel construction complies with RoHS and REACH environmental directives while delivering consistent performance in demanding applications.