S-90264A300 1 3/4"-5 x 5" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength from zinc-plated steel construction for reliable performance in demanding industrial environments
• Superior corrosion resistance through zinc plating that extends service life and reduces maintenance requirements
• Optimized thread engagement with Class 2B coarse UNC threads ensuring secure connections and vibration resistance
• Simplified installation and removal via external hex drive design that accommodates standard wrench tools
• Maximum connection versatility with fully threaded right-hand design for joining long threaded rods or extending assemblies
• Precise dimensional consistency with standard coupling nut profile maintaining alignment in structural applications
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use

Professional Applications & Engineering Value

This heavy-duty coupling nut delivers critical engineering solutions for industrial assembly challenges where extended rod connections require both maximum strength and corrosion protection. The zinc-plated steel construction combined with Class 2B UNC coarse threads provides superior resistance to vibration loosening and environmental degradation, making it ideal for structural frameworks, machinery bases, and construction applications. The fully threaded design allows for adjustable positioning along the entire 5-inch length, while the external hex drive ensures straightforward installation even in confined spaces. This coupling nut effectively addresses common issues of thread stripping, galvanic corrosion, and assembly misalignment in industrial fastening systems.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2B thread fit and UNC coarse threading (1 3/4"-5), this coupling nut maintains consistent 2 3/8" width across flats for reliable tool engagement. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and workplace safety. Right-hand threading and standard coupling nut profile guarantee compatibility with existing industrial fastener systems and assembly processes.