S-91875A170 1/2"-13 Cap Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Reliable thread engagement through Class 2B thread fit, ensuring consistent fastening performance and reducing assembly issues
• Quick installation capability with external hex drive design, allowing for efficient tightening using standard tools
• Enhanced mechanical protection from the standard cap nut profile, safeguarding threads and preventing contamination
• Optimized for heavy-duty applications with coarse UNC threading, providing superior vibration resistance in demanding conditions
• Regulatory compliance assurance through RoHS 3 adherence, meeting international environmental standards for industrial use
• Dimensional precision with 3/4" width and 13/16" height, ensuring compatibility with standard industrial components

Professional Applications & Engineering Value

This zinc-plated steel cap nut delivers exceptional engineering value through its heavy-duty construction and precision UNC coarse threading. The combination of Class 2B thread fit and external hex drive addresses critical industrial fastening challenges by preventing cross-threading while enabling rapid installation. The standard cap nut profile provides complete thread protection in machinery, automotive, and construction applications where exposed threads are vulnerable to damage. The zinc plating offers essential corrosion protection for outdoor equipment and manufacturing environments, while the 1/2"-13 thread size ensures compatibility with common industrial components. This nut solves vibration-induced loosening problems through its coarse thread design, making it ideal for high-stress assembly applications requiring long-term reliability.

Specification Summary & Compliance

Manufactured to precise dimensional standards with 3/4" width and 13/16" height, this cap nut features Class 2B thread fit tolerances for consistent performance. The UNC coarse thread (1/2"-13) follows standardized threading specifications, while the right-hand thread direction and external hex drive comply with industrial fastening conventions. The product maintains RoHS 3 (2015/863/EU) compliance with exemption 6(a)-I for lead as an alloying element in steel, meeting international environmental regulations for industrial components.