S-90997A700 1/4"-20 Flange Nuts
Flange Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Flange Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance from A286 stainless steel construction for long-term reliability in harsh environments
- Superior thread engagement with Class 3B precision fit ensuring vibration-resistant, secure fastening
- Enhanced torque application through external 12-point drive design for easier installation in confined spaces
- Increased bearing surface with 7/16" flange diameter distributing load effectively across joined materials
- Reliable coarse threading using UNC standard for quick assembly and reduced cross-threading risks
- Optimized strength-to-weight ratio with standard hex profile maintaining structural integrity while minimizing material usage
- Wide temperature compatibility thanks to A286 material properties suitable for various industrial conditions
Professional Applications & Engineering Value
This A286 stainless steel flange nut delivers critical performance advantages for demanding industrial applications where corrosion resistance and vibration resistance are paramount. The external 12-point drive configuration enables efficient torque application in space-constrained assemblies, while the integrated 7/16" flange eliminates the need for separate washers, reducing component count and installation time. The UNC coarse thread with Class 3B fit ensures precise engagement with mating components, preventing loosening under dynamic loads. Engineered for heavy-duty applications in aerospace, automotive, and industrial machinery, this fastener maintains its mechanical properties across extreme temperature ranges, providing reliable fastening solutions where failure is not an option.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3B thread fit tolerance for superior engagement. Features UNC coarse threading (1/4"-20) with right-hand direction and standard external 12-point drive. The flange measures 7/16" diameter with 0.06" thickness, while the nut body maintains 5/16" width and 19/64" height. Complies with industry standards for inch system fasteners and manufactured from premium A286 stainless steel for consistent performance and material traceability.
