S-91831A025 12-24 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 nylon insert locking mechanism to prevent loosening in high-motion environments
- Excellent corrosion resistance from 18-8 stainless steel construction for long-term reliability in harsh conditions
- High-temperature performance with nylon insert rated to 220°F (104°C) for demanding industrial applications
- Secure fastening with Class 2B thread fit ensuring consistent engagement and reliable torque performance
- Easy installation and removal using standard 7/16" external hex drive compatible with common tools
- Wide compatibility with UNC coarse 12-24 threads for versatile use across industrial equipment
- Environmental compliance meeting RoHS 3 and REACH standards for safe, regulated manufacturing
Professional Applications & Engineering Value
This 12-24 nylon insert locknut delivers critical vibration resistance where machinery and equipment face constant motion stress. The 18-8 stainless steel body provides inherent corrosion resistance, making it ideal for outdoor, marine, or chemical exposure applications. The nylon insert locking mechanism creates consistent friction against mating threads, eliminating the need for secondary locking devices and reducing assembly time. With UNC coarse threads and Class 2B fit, these locknuts ensure reliable engagement in automotive, manufacturing, and electrical enclosures where vibration-induced loosening compromises safety and performance. The 220°F temperature rating maintains locking integrity in elevated temperature environments common in industrial operations.
Specification Summary & Compliance
Manufactured to precise Class 2B thread tolerances for consistent fit with UNC 12-24 coarse threaded components. Features standard 7/16" hex profile with external drive style for universal tool compatibility. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence. Right-hand thread direction with standard hex nut profile for straightforward integration into existing fastener systems.
