S-91849A628 3/8"-24 Hex Nuts

Key Features & Benefits at a Glance

• Superior torque resistance from the extra wide hex profile for secure fastening in high-vibration applications
• Excellent corrosion resistance provided by 18-8 stainless steel construction for long-term reliability in harsh environments
• Precision thread engagement with Class 2B fine UNF threads ensuring consistent, reliable performance
• Enhanced grip surface with external hex drive design for easier installation and removal with standard tools
• Dimensional stability with 11/16" width and 23/64" height for consistent performance across industrial applications
• Environmental compliance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Right-hand thread orientation for standard installation procedures and compatibility with existing systems

Professional Applications & Engineering Value

This heavy-duty 3/8"-24 UNF extra wide hex nut delivers exceptional engineering value through its 18-8 stainless steel composition and Class 2B fine thread configuration. The extra wide hex profile provides significantly increased bearing surface, distributing load more effectively and preventing material deformation under high torque conditions. The UNF fine thread design offers superior vibration resistance compared to coarse threads, making it ideal for machinery, automotive, and aerospace applications where loosening under dynamic loads is a critical concern. The corrosion-resistant properties of 18-8 stainless steel ensure long-term performance in challenging environments, from marine applications to chemical processing equipment, while maintaining structural integrity and appearance.

Specification Summary & Compliance

This 3/8"-24 UNF extra wide hex nut features precision Class 2B thread fit according to Unified National Fine standards, ensuring consistent engagement and reliable performance. The nut measures 11/16" across flats with a height of 23/64", manufactured to exacting dimensional tolerances for the inch measurement system. The product fully complies with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, including the latest SVHC updates, making it suitable for use in environmentally conscious industrial applications and regulated markets.