S-92501A512 9/16"-18 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 top lock distorted thread design that maintains secure fastening under extreme conditions
- Exceptional strength and durability with ASTM Grade C steel construction for heavy-duty industrial applications
- Precise thread engagement with Class 2B thread fit ensuring reliable mating with male threads
- Easy installation and removal using standard external hex drive compatible with common wrench tools
- Fine thread spacing advantage providing better adjustment control and higher tensile strength than coarse threads
- Environmental compliance assurance meeting both REACH and RoHS 3 standards for safe industrial use
- Optimized dimensional stability with 7/8" width and 31/64" height for consistent performance across applications
Professional Applications & Engineering Value
This 9/16"-18 UNF steel locknut delivers critical vibration resistance in demanding industrial environments where secure fastening is paramount. The top lock distorted thread technology creates controlled interference that prevents loosening under dynamic loads, making it ideal for machinery, automotive assemblies, and heavy equipment subjected to constant vibration. Engineered with ASTM Grade C strength and Class 2B thread fit, this external hex locknut provides reliable performance in high-stress applications while maintaining precise dimensional accuracy. The UNF fine thread configuration offers superior clamping force distribution and resistance to vibrational loosening compared to coarse thread alternatives, ensuring long-term joint integrity in critical fastening systems.
Specification Summary & Compliance
This distorted thread locknut features 9/16"-18 UNF right-hand threads with Class 2B thread fit for precision mating compatibility. Manufactured to ASTM Grade C strength requirements with standard 7/8" hex width and 31/64" height. The product is fully compliant with REACH (EC 1907/2006) regulations and RoHS 3 (2015/863/EU) directives, ensuring environmental responsibility and workplace safety standards are met for industrial fastener applications.
