S-91839A316 3/8"-16 Locknuts
Locknuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior vibration resistance with Flex-Top locking design that maintains secure fastening under dynamic loads.
- Excellent corrosion protection from Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments.
- Reliable coarse thread engagement with UNC 3/8"-16 threads and Class 2B fit for quick assembly and consistent performance.
- Easy installation and removal using standard external hex drive, compatible with common wrenches for efficient maintenance.
- Durable material strength from 18-8 Stainless Steel, offering long-term reliability in high-stress applications.
- Compliance with environmental standards including RoHS 3 and REACH, ensuring safe use in regulated industries.
- Optimized dimensions (9/16" width, 15/32" height) for space-efficient designs without compromising locking effectiveness.
Professional Applications & Engineering Value
This 3/8"-16 UNC Flex-Top locknut addresses critical vibration-induced loosening in industrial settings. The Flex-Top locking mechanism creates radial pressure on the bolt threads, providing consistent resistance without damaging components—ideal for machinery, automotive, and construction applications. Made from Black-Oxide 18-8 Stainless Steel, it combats corrosion in humid or chemical-exposed environments, reducing maintenance costs. The coarse UNC threads and Class 2B fit ensure easy installation and reliable performance under thermal cycling and dynamic stresses, making it a go-to solution for heavy-duty fastening where safety and durability are paramount.
Specification Summary & Compliance
This locknut features UNC 3/8"-16 coarse threads with Class 2B thread fit for standard tolerance and smooth assembly. Dimensions include a 9/16" hex width and 15/32" height, adhering to industry standards for external hex drive locknuts. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring no hazardous substances are used. The manufacturing follows precise threading and material specifications for consistent quality in vibration-resistant applications.
