S-97135A260 9/16"-12 Locknuts

Key Features & Benefits at a Glance

• Superior vibration resistance through nylon insert locking mechanism, preventing loosening in high-stress environments
• Exceptional durability with Grade 8 strength classification, suitable for heavy-duty industrial applications
• Reliable high-temperature performance with nylon insert rated up to 220°F (104°C)
• Enhanced corrosion protection through zinc yellow-chromate plating on steel construction
• Precise thread engagement with Class 2B thread fit ensuring consistent, reliable fastening
• Easy installation and removal with standard external hex drive design
• Optimized for coarse threading applications using UNC 9/16"-12 thread pattern

Professional Applications & Engineering Value

This Grade 8 nylon insert lock nut delivers critical vibration resistance in demanding industrial environments where mechanical stability is paramount. The zinc yellow-chromate plated steel construction provides dual protection against corrosion and wear, while the nylon insert locking mechanism maintains secure fastening even under continuous vibration and dynamic loads. Engineered with UNC coarse threading and Class 2B thread fit, this heavy-duty locknut ensures reliable performance in automotive, construction, machinery, and manufacturing applications where safety and reliability cannot be compromised. The external hex design facilitates straightforward installation using standard tools, reducing assembly time while maintaining the integrity of critical connections.

Specification Summary & Compliance

This locknut features precise 9/16"-12 UNC coarse threading with Class 2B thread fit for consistent engagement. Manufactured to Grade 8 strength standards with dimensions of 7/8" width and 41/64" height. The right-hand thread direction and external hex drive style comply with industrial fastening specifications. The zinc yellow-chromate plating provides corrosion resistance while meeting industry standards for heavy-duty applications.