S-90371A060 7/8"-9 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion protection through hot-dipped galvanized steel coating, extending service life in harsh environments
• Reliable thread engagement with Class 2B thread fit ensuring consistent mating with compatible fasteners
• Optimized for industrial applications featuring 7/8"-9 UNC coarse threads for faster assembly and reduced cross-threading risk
• Standardized dimensions with 1 5/16" width and 3/4" height for compatibility with standard tools and existing assemblies
• Compliance assurance meeting ASME B18.2.2 specifications for dimensional accuracy and performance reliability
• Environmental responsibility with RoHS 3 compliance, free from hazardous substances for workplace safety
• Cost-effective strength through Grade 2 classification, providing adequate mechanical properties for general industrial use

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these hot-dipped galvanized steel hex nuts provide exceptional corrosion resistance that withstands exposure to moisture, chemicals, and outdoor elements. The 7/8"-9 UNC coarse thread configuration delivers superior performance in applications requiring rapid assembly and disassembly, while the Class 2B thread fit ensures consistent engagement with mating bolts without compromising structural integrity. The external hex drive design offers excellent torque transmission capabilities, making these fasteners ideal for construction, machinery assembly, infrastructure projects, and marine applications where durability and reliability are paramount. Their compliance with ASME B18.2.2 standards guarantees dimensional precision and interchangeability across industrial systems.

Specification Summary & Compliance

This hex nut features precise Class 2B thread fit tolerances with 7/8"-9 UNC coarse threads in right-hand direction. Manufactured to ASME B18.2.2 specifications with standard profile dimensions of 1 5/16" width and 3/4" height. The fastener meets Grade 2 strength classification requirements and demonstrates full compliance with RoHS 3 (2015/863/EU) regulations, ensuring environmental responsibility and workplace safety standards are maintained throughout its service life.