S-90767A113 3/8"-16 Cap Nuts

Key Features & Benefits at a Glance

• Exceptional load-bearing capacity with Grade 8 strength classification, ensuring reliable performance in high-stress industrial applications
• Superior corrosion protection through corrosion-resistant steel coating with black finish, extending service life in harsh environments
• Quick installation and removal with external hex drive design, compatible with standard wrench tools for efficient maintenance
• Secure thread engagement with Class 2B thread fit and UNC coarse threading, providing vibration resistance and preventing loosening
• Enhanced safety compliance meeting RoHS 3 standards, making it suitable for regulated industrial applications
• Optimal dimensional stability with precise 9/16" width and 5/8" height specifications, ensuring consistent performance across assemblies
• Versatile right-hand threading compatible with standard 3/8"-16 UNC components, simplifying inventory management

Professional Applications & Engineering Value

This Grade 8 cap nut delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. The corrosion-resistant coated steel construction with black finish prevents rust formation in demanding environments like outdoor machinery, automotive assemblies, and industrial equipment. The 3/8"-16 UNC coarse thread configuration with Class 2B thread fit ensures secure fastening that withstands dynamic loads and thermal cycling. The external hex drive design allows for high-torque installation using common tools, while the standard cap nut profile provides both mechanical strength and finished appearance. These features make it ideal for heavy-duty applications requiring both performance durability and regulatory compliance.

Specification Summary & Compliance

This cap nut maintains precise dimensional accuracy with Class 2B thread fit tolerances and UNC coarse thread specifications (3/8"-16). Manufacturing follows standardized inch system measurements with consistent 9/16" width and 5/8" height. The product is RoHS 3 (2015/863/EU) compliant with exemption 6(a) for lead as an alloying element in steel, meeting international environmental regulations while maintaining Grade 8 strength classification for superior mechanical performance in industrial fastening applications.