S-90636A114 3/8"-16 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Exceptional vibration resistance through center-lock distorted thread design, preventing loosening in high-stress environments
- Superior durability with Grade 8 steel construction, ensuring reliable performance in heavy-duty applications
- Enhanced corrosion protection from black-oxide coating, extending service life in industrial conditions
- Easy installation and removal with standard external hex drive design, compatible with common tools
- Precise thread engagement with UNC coarse 3/8"-16 threads and Class 2B fit, providing secure fastening
- Regulatory compliance assurance meeting REACH and RoHS 3 standards for safe industrial use
- Optimal dimensional stability with 9/16" width and 21/64" height for consistent performance across applications
Professional Applications & Engineering Value
This Grade 8 black-oxide steel locknut delivers critical vibration resistance where conventional fasteners fail. The center-lock distorted thread technology creates controlled interference along the UNC coarse thread profile, maintaining clamp force under extreme dynamic loads. Engineered for heavy-duty industrial applications including machinery, automotive assemblies, and construction equipment, the external hex drive ensures straightforward installation while the black-oxide surface treatment provides essential corrosion protection in demanding environments. The combination of distorted thread locking mechanism and high-strength Grade 8 material addresses common failure points in vibration-prone systems, delivering reliable performance where safety and durability are paramount.
Specification Summary & Compliance
This 3/8"-16 UNC locknut features Class 2B thread fit for precise dimensional accuracy and reliable engagement. Manufactured to industry standards with right-hand coarse threads and center-lock distorted thread configuration. The product is fully compliant with REACH (EC 1907/2006) and RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and industrial suitability. Dimensions include 9/16" width and 21/64" height for consistent performance across applications requiring vibration-resistant locking solutions.