S-90264A485 1/2"-13 x 1 3/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh industrial environments
• Exceptional tensile strength from heavy-duty steel material ensuring reliable connections under high-stress conditions
• Easy installation and removal with standard external hex drive design compatible with common wrench tools
• Precise thread engagement through Class 2B thread fit providing consistent, vibration-resistant fastening performance
• Versatile connectivity with fully threaded right-hand UNC coarse threading for joining threaded rods or studs
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial applications
• Optimized dimensions (1-3/4" length × 11/16" width) offering balanced strength-to-size ratio for space-constrained assemblies

Professional Applications & Engineering Value

This zinc-plated steel coupling nut delivers critical engineering value in applications requiring extended-length threaded connections. The 1/2"-13 UNC coarse threading with Class 2B thread fit ensures reliable engagement with mating components while accommodating minor misalignments common in structural assemblies. The fully threaded design provides maximum thread contact area, distributing load evenly across the entire connection to prevent stress concentration points. In industrial settings where corrosion resistance is paramount, the zinc plating creates a protective barrier against moisture and chemical exposure, significantly extending service life in manufacturing equipment, construction frameworks, and machinery assemblies. The standard external hex drive profile enables quick installation with standard tools, reducing assembly time while maintaining the high torque capabilities needed for heavy-duty fastening applications.

Specification Summary & Compliance

This coupling nut features 1/2"-13 UNC coarse threading with Class 2B thread fit per standard inch-system specifications, ensuring precise dimensional accuracy and reliable mating performance. The component maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental standards for industrial fastener applications. Manufacturing follows established standards for zinc-plated steel fasteners, providing consistent quality and performance across production batches for engineering and procurement requirements.