S-90670A249 7/16"-28 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior vibration resistance with UNEF extra fine thread design for secure fastening in high-vibration environments
• Excellent corrosion resistance through 6061 aluminum construction, ideal for harsh industrial conditions
• Precise thread engagement with Class 2B thread fit ensuring reliable, consistent performance
• Industry-standard compatibility meeting ASME B18.2.2 specifications for guaranteed interchangeability
• Environmental compliance assurance with RoHS 3 and REACH SVHC compliance for global manufacturing applications
• Optimized strength-to-weight ratio from aluminum material selection without compromising durability
• Standard external hex drive for easy installation using common tools and reduced assembly time

Professional Applications & Engineering Value

This 7/16"-28 UNEF thread hex nut delivers exceptional engineering value in precision applications where vibration resistance and weight reduction are critical. The extra fine thread spacing provides more threads per inch compared to standard coarse threads, creating superior clamping force distribution and enhanced resistance to loosening under dynamic loads. Manufactured from 6061 aluminum, this hex nut offers excellent corrosion resistance while maintaining significant strength, making it ideal for aerospace components, precision instrumentation, electronic enclosures, and automotive systems where both performance and environmental factors must be balanced. The ASME B18.2.2 compliance ensures dimensional consistency and reliable performance across industrial applications.

Specification Summary & Compliance

This aluminum hex nut features precise 7/16"-28 UNEF extra fine threads with Class 2B thread fit tolerance for optimal engagement. The standard external hex drive measures 11/16" across flats with a 3/8" height, manufactured to ASME B18.2.2 specifications for dimensional accuracy. The component is fully compliant with RoHS 3 (2015/863/EU) with exemption 6(b)-II and REACH (EC 1907/2006) regulations, meeting environmental standards for industrial use while maintaining the machining benefits of aluminum alloy construction.