S-91875A145 5/16"-24 Cap Nuts
Cap Nuts
Image may differ from product. See technical specification for details.
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 corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
- Precise thread engagement with Class 2B fit ensuring reliable, vibration-resistant connections in critical assemblies
- Enhanced torque application through external hex drive design for secure installation with standard tools
- Optimal fine thread performance with 5/16"-24 UNF specification providing superior holding power in thin materials
- Complete end protection through standard cap nut profile design, preventing contamination in threaded assemblies
- Regulatory compliance assurance with RoHS 3 certification meeting international environmental standards
- Consistent dimensional accuracy with 1/2" width and 17/32" height for reliable interchangeability in production
Professional Applications & Engineering Value
This zinc-plated steel cap nut delivers exceptional engineering value in applications requiring both corrosion resistance and reliable end sealing. The 5/16"-24 UNF fine thread configuration provides superior clamping force distribution, making it ideal for precision equipment, automotive assemblies, and machinery where vibration resistance is critical. The external hex drive enables efficient installation in confined spaces while maintaining high torque capabilities. The Class 2B thread fit ensures consistent performance across production runs, reducing assembly time and improving manufacturing efficiency in industrial fastening applications where repeatability and reliability are paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2B thread fit tolerance for optimal engagement with mating components. Features UNF fine thread specification (5/16"-24) with right-hand thread direction and standard cap nut profile. Compliant with RoHS 3 (2015/863/EU) regulations under exemption 6(a)-I for lead as an alloying element in steel. The external hex drive configuration follows industry-standard specifications for compatibility with common installation tools and equipment.
