S-90494A139 1 1/8"-7 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced weight reduction and material efficiency through thin profile design while maintaining structural integrity
• Superior corrosion resistance and environmental compliance with RoHS 3 and REACH regulations for industrial applications
• Optimized assembly speed and reduced cross-threading risk with UNC coarse threading and Class 2B thread fit
• Reliable mechanical performance meeting Grade 2 strength requirements for general purpose fastening
• Secure torque transmission and easy installation with standard 1 11/16" external hex drive configuration
• Broad compatibility with standard components using right-hand UNC thread system for seamless integration
• Dimensional precision and consistent performance with controlled 39/64" height and standardized inch measurements

Professional Applications & Engineering Value

This Grade 2 steel thin hex nut delivers exceptional value in industrial environments where space constraints and regulatory compliance are critical. The 1 1/8"-7 UNC coarse thread configuration significantly reduces installation time while minimizing cross-threading incidents in high-volume assembly operations. Engineered with a thin profile, this fastener provides substantial weight savings without compromising the structural integrity required for machinery, equipment frames, and structural steel connections. The Class 2B thread fit ensures reliable engagement with mating components while accommodating minor misalignments common in field installations. Particularly valuable in manufacturing, construction, and heavy equipment applications, this external hex nut combines regulatory compliance with practical engineering solutions for demanding industrial fastening requirements.

Specification Summary & Compliance

This hex nut maintains Class 2B thread fit tolerance per UNC standards, ensuring proper engagement with Class 2A external threads. Manufactured to Grade 2 strength specifications with precise dimensional control including 1 11/16" width and 39/64" height. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental substance restrictions for industrial applications. Thread specifications conform to Unified National Coarse (UNC) standards with right-hand orientation for consistent performance across compatible fastener systems.