S-91879A034 3/4"-10 ASME B18.2.2 Hex Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in harsh industrial environments
• Exceptional load-bearing capacity through ASTM Grade 2H certification, ensuring reliable performance under high-stress conditions
• Enhanced wrench clearance and accessibility with extra-wide thin profile design, facilitating faster installation in confined spaces
• Secure thread engagement with Class 2B thread fit and coarse UNC threading, preventing loosening from vibration and thermal cycling
• Industry-standard compatibility through ASME B18.2.2 compliance, guaranteeing precise dimensional accuracy and interchangeability
• Environmental regulation compliance with RoHS 3 and REACH certifications, meeting global sustainability requirements
• Optimized torque transmission via external hex drive design, enabling efficient installation with standard tools

Professional Applications & Engineering Value

Engineered for demanding industrial applications, this 3/4"-10 UNC hex nut delivers critical performance where vibration resistance and structural integrity are paramount. The zinc-plated steel construction provides essential corrosion protection for outdoor machinery, construction equipment, and manufacturing systems exposed to moisture and chemicals. Its extra-wide thin profile offers superior wrenching surface while maintaining low profile clearance, solving space-constrained assembly challenges in structural steelwork, heavy equipment manufacturing, and infrastructure projects. The coarse UNC threading ensures rapid installation and superior resistance to cross-threading, while the Class 2B thread fit maintains consistent clamping force under dynamic loading conditions, making it ideal for bolted connections requiring repeated maintenance access.

Specification Summary & Compliance

This heavy-duty hex nut features precise Class 2B thread fit with 3/4"-10 UNC coarse threading in right-hand direction, manufactured to ASME B18.2.2 specifications for dimensional accuracy. The fastener meets ASTM Grade 2H strength requirements with dimensions of 1-1/4" width and 27/64" height. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are maintained.