S-91034A416 1/2"-13 x 1 3/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel finish for extended service life in harsh industrial environments
• Exceptional tensile strength from high-grade steel construction ensures reliable performance under heavy loads
• Precision Class 2B thread fit guarantees smooth assembly and secure connections without cross-threading
• Coarse UNC threading provides faster installation and removal while maintaining vibration resistance
• Full threading design allows maximum engagement length for stronger, more stable joint connections
• Standard external hex drive enables easy installation with common wrench tools in confined spaces
• Compliance with RoHS 3 and REACH ensures environmental responsibility and global regulatory acceptance

Professional Applications & Engineering Value

This 1/2"-13 UNC coupling nut delivers critical engineering solutions for demanding industrial applications where extended-length fastening is required. The black-oxide steel construction provides essential corrosion protection while maintaining the material's inherent strength, making it ideal for connecting threaded rods, studs, or other male-threaded components in structural frameworks, machinery assemblies, and piping systems. The fully threaded design with coarse UNC spacing ensures maximum thread engagement and superior vibration resistance, preventing loosening in high-stress environments. With its external hex drive style and standardized Class 2B thread fit, this coupling nut offers reliable performance in construction, manufacturing, and maintenance operations where durability and precise alignment are paramount.

Specification Summary & Compliance

This coupling nut features 1/2"-13 UNC coarse threading with Class 2B thread fit precision, ensuring consistent dimensional accuracy across all applications. The component measures 11/16" in width and 1 3/4" in length, manufactured to inch system standards. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and unrestricted use across global industrial markets. The product meets industry standards for fully threaded coupling nuts with right-hand thread direction and standard coupling nut profile.