S-97135A431 3/4"-16 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Temperature & Environment Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance through nylon insert locking that maintains secure fastening under dynamic loads
- Enhanced corrosion protection with black-oxide steel construction for extended service life in harsh environments
- High-temperature performance with nylon insert rated to 220°F for reliable operation in demanding applications
- Exceptional strength capacity meeting Grade 8 standards for heavy-duty industrial requirements
- Precision thread engagement with Class 2B UNF fine threads ensuring accurate fit and reduced loosening risk
- Standard hex profile design for compatibility with common tools and efficient installation
- Regulatory compliance assurance with REACH and RoHS 3 certifications for global market acceptance
Professional Applications & Engineering Value
This Grade 8 heavy-duty locknut delivers critical vibration resistance in demanding industrial applications where secure fastening is paramount. The nylon insert locking mechanism provides consistent clamping force while the black-oxide steel construction offers superior corrosion resistance in challenging environments. Engineered with UNF fine threads and Class 2B thread fit, this external hex locknut ensures precise engagement and reliable performance in machinery, automotive, and heavy equipment applications. The high-temperature rated nylon insert (220°F maximum) maintains locking integrity in thermal cycling conditions, while the standard hex profile allows for quick installation with common tools. This combination of features addresses common industrial challenges of vibration-induced loosening, environmental degradation, and installation efficiency.
Specification Summary & Compliance
This locknut features 3/4"-16 UNF fine threads with Class 2B thread fit for precision engagement, manufactured to Grade 8 strength standards. The external hex design measures 1-1/16" across flats with 7/8" height. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental standards, ensuring regulatory acceptance for industrial applications worldwide.
