S-94758A101 4-40 Flange Nuts
Flange Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Enhanced load distribution from the 3/8" flange diameter, reducing surface pressure and preventing material damage
- Reliable coarse threading with UNC profile ensures quick assembly and vibration resistance in high-stress applications
- Precise Class 2B thread fit guarantees consistent engagement and secure fastening with mating components
- External hex drive design provides standard tool compatibility for efficient installation and maintenance
- Comprehensive regulatory compliance with RoHS 3 and REACH standards for safe global industrial use
- Optimized 0.05" flange thickness balances strength with weight efficiency in compact assemblies
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this 4-40 UNC flange nut delivers exceptional performance where corrosion resistance and vibration management are critical. The 18-8 Stainless Steel construction withstands corrosive environments in automotive, machinery, and outdoor equipment assemblies, while the integrated 3/8" flange eliminates the need for separate washers, distributing clamp load effectively to prevent joint loosening. With its coarse UNC thread and Class 2B thread fit, it ensures rapid installation and maintains integrity under dynamic loads, making it ideal for production lines requiring both speed and reliability. The external hex drive offers universal tool access, streamlining maintenance in confined spaces.
Specification Summary & Compliance
This flange nut features precision 4-40 UNC coarse threads with Class 2B thread fit per standard inch system tolerances, ensuring consistent performance with mating fasteners. Manufacturing adheres to industry specifications for standard hex profile and right-hand threading. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial supply chains.
