S-91839A225 6-32 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
- Vibration-Resistant Locking: Flex-Top design creates consistent friction to prevent loosening under dynamic loads, ensuring long-term joint integrity.
- Corrosion-Resistant Construction: Made from 18-8 stainless steel for excellent durability in harsh or humid environments.
- Easy Installation & Removal: Standard external hex drive allows for quick assembly using common wrenches, reducing labor time.
- Reliable Thread Engagement: Class 2B thread fit with coarse 6-32 UNC threads provides secure fastening and reduces cross-threading risks.
- Compact & Standard Dimensions: 5/16" width and 3/16" height fit standard applications without requiring special tooling.
- Environmental Compliance: Meets RoHS 3 and REACH standards, ensuring safe use in regulated industries.
- Right-Hand Thread Convenience: Standard threading simplifies installation for common industrial applications.
Professional Applications & Engineering Value
This 6-32 UNC Flex-Top locknut delivers critical vibration resistance in demanding environments where loosening can cause equipment failure. The 18-8 stainless steel construction provides inherent corrosion resistance, making it ideal for outdoor machinery, marine equipment, food processing lines, and chemical plants. Its external hex drive enables high-torque installation with standard tools, while the coarse thread design ensures rapid assembly in production lines. The Flex-Top locking mechanism deforms slightly under clamp load, creating permanent friction that withstands shock and vibration—eliminating the need for secondary locking devices. This combination of materials, thread form, and locking technology offers engineers a reliable, maintenance-free fastening solution for critical joints.
Specification Summary & Compliance
This locknut features 6-32 UNC coarse threads with Class 2B thread fit for consistent engagement. Dimensions include 5/16" width across flats and 3/16" height. Manufactured from 18-8 stainless steel with right-hand threading and external hex drive. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.
