S-91034A418 3/4"-10 x 2 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with black-oxide steel construction, ideal for harsh industrial environments
• Superior load distribution due to fully threaded design, minimizing stress concentration and enhancing joint integrity
• Reliable coarse threading (UNC) provides faster assembly and reduced cross-threading risk in high-vibration applications
• Precise Class 2B thread fit ensures smooth engagement and consistent torque performance for secure connections
• Standard external hex drive allows for easy installation using common wrenching tools, improving assembly efficiency
• Robust 1" width and 2-1/4" length delivers optimal strength for coupling rods, studs, or pipes in heavy-duty configurations
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility

Professional Applications & Engineering Value

This black-oxide steel coupling nut is engineered to solve critical challenges in industrial assembly, where corrosion resistance and structural reliability are paramount. The fully threaded UNC coarse design enables rapid installation in machinery, construction frameworks, and piping systems, while the Class 2B thread fit maintains alignment under dynamic loads. Its external hex drive facilitates straightforward tightening in confined spaces, reducing labor time. Ideal for extending threaded rods or joining components in heavy-duty applications, this nut ensures long-term performance without compromising on RoHS and REACH compliance, making it a trusted choice for OEMs and maintenance teams.

Specification Summary & Compliance

Manufactured to precise inch system dimensions (1" width x 2-1/4" length) with 3/4"-10 UNC coarse threads and Class 2B thread fit for consistent tolerance. Complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards in industrial fastener applications.