S-90636A060 1/2"-13 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through center-lock distorted thread design that maintains secure fastening under extreme conditions
- Exceptional corrosion protection with zinc yellow-chromate plating that withstands harsh industrial environments
- Heavy-duty performance backed by Grade 8 strength classification for high-stress applications
- Reliable thread engagement with UNC coarse thread pattern ensuring quick installation and secure fit
- Precision manufacturing with Class 2B thread fit providing consistent performance and easy assembly
- Standard external hex drive design for compatibility with common tools and straightforward installation
- Optimal dimensional stability with 3/4" width and 7/16" height for consistent performance across applications
Professional Applications & Engineering Value
This Grade 8 heavy-duty locknut delivers critical vibration resistance in demanding industrial and automotive environments where fastener failure is not an option. The center-lock distorted thread technology creates permanent mechanical interference that prevents loosening under continuous stress and vibration, solving the primary challenge of maintaining bolt tension in dynamic applications. Manufactured from zinc yellow-chromate plated steel, this locknut provides exceptional corrosion resistance while maintaining the mechanical properties required for high-strength applications. The UNC coarse thread pattern ensures rapid installation and reliable performance in heavy machinery, construction equipment, and automotive assemblies where vibration-induced loosening compromises safety and operational integrity.
Specification Summary & Compliance
This 1/2"-13 locknut features UNC coarse threads with Class 2B thread fit for precision manufacturing tolerance, ensuring consistent performance across applications. The right-hand thread direction and external hex drive style comply with industry standards for compatibility and ease of installation. Manufactured to meet Grade 8 strength requirements, this fastener delivers reliable performance in high-stress environments. The product conforms to relevant industrial standards and is manufactured using materials compliant with RoHS and REACH environmental directives.
