S-97135A417 5/16"-24 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 with a nylon insert that maintains locking force in high-stress environments
- High-temperature durability with nylon insert rated for continuous use up to 220°F without performance degradation
- Enhanced corrosion protection through black-oxide steel finish for extended service life in harsh conditions
- Precision thread engagement with UNF fine threading and Class 2B fit ensuring reliable, secure fastening
- Exceptional strength performance meeting Grade 8 standards for demanding industrial applications
- Easy installation and removal with standard external hex drive design for efficient maintenance
- Regulatory compliance assurance meeting both REACH and RoHS 3 environmental standards
Professional Applications & Engineering Value
This Grade 8 nylon insert locknut delivers critical vibration resistance in demanding industrial settings where loosening under dynamic loads poses significant safety risks. The black-oxide steel construction provides essential corrosion protection while maintaining the high-strength characteristics required for heavy machinery, automotive assemblies, and manufacturing equipment. The UNF fine threading ensures precise engagement with mating components, while the nylon insert creates consistent locking force without damaging threads. Engineered to perform in environments with temperatures up to 220°F, this external hex locknut offers reliable performance in engine compartments, industrial motors, and vibration-prone applications where thermal cycling and mechanical stress are constant challenges.
Specification Summary & Compliance
This locknut features 5/16"-24 UNF fine threading with Class 2B thread fit for precision engagement, standard 1/2" width and 11/32" height dimensions, and right-hand thread direction. Manufactured to Grade 8 strength standards and compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) environmental regulations, ensuring both mechanical performance and regulatory adherence for industrial applications.
