S-91078A258 1 1/8"-12 Hex Nuts
Hex Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
- Space-saving thin profile (39/64" height) ideal for applications with limited clearance while maintaining full functionality
- Precise Class 2B thread fit ensures smooth assembly and reliable engagement with mating components
- Superior fine thread performance with 1 1/8"-12 UNF spacing providing better vibration resistance and adjustment precision
- Grade 2 strength certification delivers dependable mechanical performance for standard industrial applications
- External hex drive compatibility allows for easy installation using common wrench tools
- Full regulatory compliance with RoHS 3 and REACH standards for environmentally responsible manufacturing
Professional Applications & Engineering Value
This Grade 2 zinc-plated steel thin hex nut addresses critical engineering challenges in industrial assembly where corrosion resistance and space constraints are primary concerns. The UNF fine thread configuration (1 1/8"-12) provides superior vibration resistance compared to coarse threads, making it ideal for machinery, equipment manufacturing, and automotive applications where sustained performance under dynamic loads is essential. The thin hex nut profile enables installation in tight spaces without compromising structural integrity, while the Class 2B thread fit ensures consistent, reliable engagement that reduces assembly time and prevents cross-threading issues. The zinc plating creates a protective barrier against oxidation and environmental degradation, significantly extending service life in demanding conditions.
Specification Summary & Compliance
This 1 1/8"-12 UNF thin hex nut features precise Class 2B thread tolerances per UNF standards, with dimensions of 1 11/16" width and 39/64" height. Manufactured to Grade 2 strength specifications with external hex drive configuration and right-hand thread direction. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across industrial sectors.
