S-95479A131 7/8"-9 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black oxide coating for extended service life in demanding industrial environments
• Superior load-bearing capability from Grade 5 steel construction, providing reliable performance under high-stress applications
• Quick installation efficiency with coarse UNC threads and Class 2B fit enabling faster assembly and reduced labor time
• Standardized compatibility through ASME B18.2.2 compliance, ensuring interchangeability with existing industrial equipment
• Optimal torque transmission via external hex drive design and standard profile for secure fastening with common tools
• Environmental regulation compliance meeting RoHS 3 and REACH standards for global manufacturing applications
• Dimensional precision with 1 5/16" width and 3/4" height maintaining consistent performance across production runs

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these Grade 5 Black Oxide Steel Hex Nuts deliver exceptional performance in construction machinery, agricultural equipment, and transportation systems. The 7/8"-9 UNC coarse thread configuration provides superior vibration resistance while enabling rapid assembly in high-volume production environments. The black oxide surface treatment creates a protective barrier against oxidation and environmental degradation, significantly extending service life in outdoor or corrosive conditions. Combined with Class 2B thread fit precision, these nuts maintain consistent clamping force while accommodating minor misalignments during installation. The external hex drive design ensures compatibility with standard wrenches and torque tools, streamlining maintenance procedures and reducing downtime in critical operations.

Specification Summary & Compliance

Manufactured to ASME B18.2.2 specifications with Class 2B thread fit tolerance for consistent engagement and reliable performance. The inch system measurement ensures compatibility with North American industrial standards, while the right-hand thread direction and coarse thread spacing provide optimal fastening characteristics. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations guarantees suitability for global manufacturing and export requirements. Dimensional specifications include 1 5/16" width and 3/4" height for standardized application across industrial fastener systems.