S-94811A268 1 1/8"-8 ASME B18.2.2, SAE J995 Hex Nuts

Key Features & Benefits at a Glance

• Enhanced load distribution with extra wide 1 13/16" profile for superior grip and reduced surface pressure
• Exceptional corrosion resistance through zinc-plated steel construction for long-term reliability in harsh environments
• Optimized assembly efficiency with coarse 8-thread design enabling faster installation and reduced cross-threading risks
• Precision thread engagement via Class 2B fit ensuring consistent torque performance and vibration resistance
• Industry-standard compliance meeting ASME B18.2.2 and SAE J995 specifications for guaranteed interchangeability
• Robust external hex drive providing maximum tool access for high-torque applications
• Environmental responsibility with full RoHS 3 and REACH compliance for sustainable operations

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, this 1 1/8"-8 coarse thread hex nut delivers critical performance where vibration resistance and structural integrity are paramount. The zinc-plated steel construction provides essential corrosion protection for outdoor equipment, agricultural machinery, and construction assemblies exposed to environmental elements. The extra wide hex profile significantly increases bearing surface area, distributing clamping forces more effectively to prevent joint loosening under dynamic loads. With UN coarse threads and Class 2B thread fit, this fastener ensures reliable engagement in high-vibration environments while accommodating minor misalignments during assembly. These industrial nuts are specifically designed to meet the rigorous demands of structural steel connections, heavy equipment maintenance, and infrastructure projects requiring dependable, long-lasting fastening solutions.

Specification Summary & Compliance

This heavy-duty hex nut features precise Class 2B thread fit with 1 1/8"-8 UNC coarse threads in right-hand direction. Manufacturing complies with ASME B18.2.2 and SAE J995 standards, ensuring dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental requirements for industrial components.