S-90630A113 7/16"-20 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 durable nylon insert locking that maintains secure fastening even under continuous motion
- Heavy-duty performance with Grade 8 steel construction providing exceptional strength for demanding industrial applications
- Precision thread engagement with UNF fine threads and Class 2B fit ensuring reliable, consistent performance
- High-temperature capability with nylon insert rated for maximum 220°F operation in challenging environments
- Easy installation and removal using standard external hex drive compatible with common wrench tools
- Environmental compliance meeting RoHS 3 and REACH standards for safe, regulated use
- Optimal torque transmission through standard hex profile design for secure tool engagement
Professional Applications & Engineering Value
This Grade 8 steel nylon insert locknut delivers critical vibration resistance in machinery, automotive, and heavy equipment applications where UNF fine threads provide superior clamping force retention. The nylon insert locking mechanism creates consistent friction that prevents loosening under dynamic loads, while the external hex drive ensures straightforward installation with standard tools. Engineered for heavy-duty industrial environments, these locknuts maintain integrity at temperatures up to 220°F, making them ideal for engine components, transmission systems, and manufacturing equipment where thermal cycling and vibration are constant challenges. The combination of precision Class 2B thread fit and robust steel construction addresses the critical need for reliable, long-lasting fastening solutions in demanding B2B applications.
Specification Summary & Compliance
This locknut features 7/16"-20 UNF fine threads with Class 2B thread fit for precise engagement, manufactured to industry standards for dimensional accuracy. The external hex drive with standard profile measures 5/8" across flats with 29/64" height. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use.
