S-90640A360 1"-8 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 mechanism that maintains secure fastening in high-motion environments
- Enhanced corrosion protection with zinc plating that extends service life in demanding industrial conditions
- Reliable high-temperature performance with nylon insert rated for continuous operation up to 220°F
- Precise thread engagement with Class 2B thread fit ensuring consistent installation and load distribution
- Quick installation and removal with standard external hex drive compatible with common wrench tools
- Optimal thread compatibility with 1"-8 UNC coarse threads providing strong holding power in various materials
- Environmental compliance assurance meeting RoHS 3 and REACH standards for regulated applications
Professional Applications & Engineering Value
This heavy-duty nylon insert locknut delivers exceptional engineering value in applications where vibration-induced loosening compromises safety and performance. The zinc-plated steel construction provides durable corrosion resistance while the nylon insert locking mechanism creates consistent friction that prevents back-off under dynamic loads. Engineered with 1"-8 UNC coarse threads and Class 2B thread fit, this locknut ensures reliable performance in machinery, automotive assemblies, construction equipment, and industrial manufacturing where temperature fluctuations up to 220°F and constant vibration demand vibration-resistant fastening solutions. The standard hex profile allows for efficient installation with common tools, reducing assembly time while maintaining secure connections in critical applications.
Specification Summary & Compliance
This locknut features Class 2B thread fit per UNC standards with precise dimensional accuracy. The 1"-8 coarse thread specification ensures proper engagement with mating components. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for regulated industrial applications. The zinc-plated steel construction and nylon insert locking mechanism meet industry standards for vibration-resistant fasteners with a maximum temperature rating of 220°F for the nylon insert component.
