S-90264A295 1 1/2"-12 x 3 1/2" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional tensile strength from zinc-plated steel construction for reliable performance in heavy-duty applications
• Precise UNF fine threading (1½"-12) ensures secure, vibration-resistant connections in demanding environments
• Class 2B thread fit provides optimal clearance and ease of assembly while maintaining structural integrity
• Full-length threading offers maximum engagement surface for superior load distribution and connection stability
• External hex drive design enables quick installation and removal with standard wrench tools
• Corrosion-resistant zinc plating extends service life in industrial settings and harsh conditions
• Standard 2" width and 3½" length provides versatile compatibility with various rod and stud configurations

Professional Applications & Engineering Value

This heavy-duty coupling nut delivers critical engineering solutions for extending threaded rods, joining studs, and creating long tension assemblies in construction, manufacturing, and machinery applications. The zinc-plated steel construction provides superior corrosion resistance while maintaining high tensile strength, making it ideal for environments where moisture and chemical exposure are concerns. The UNF fine threading (1½"-12) with Class 2B thread fit ensures precise mating with corresponding male threads, reducing the risk of cross-threading and providing vibration resistance in dynamic load conditions. The fully threaded design maximizes the engagement area, distributing stress evenly across the entire length to prevent point failures. The external hex drive style allows for efficient installation using standard tools, reducing assembly time in production environments and maintenance scenarios.

Specification Summary & Compliance

This coupling nut features 1½"-12 UNF fine threading with Class 2B thread fit per unified screw thread standards, ensuring precise dimensional accuracy and reliable performance. Manufactured from high-strength steel with zinc plating for corrosion protection. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental and safety regulations for industrial fasteners. Dimensions include 2" width across flats and 3½" length, designed for inch system applications requiring extended coupling capabilities.