S-91034A115 7/16"-14 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel finish, extending service life in harsh industrial environments
• Exceptional thread engagement through fully threaded UNC coarse design, ensuring reliable connections under vibration and load
• Precision Class 2B thread fit for smooth assembly and consistent performance in demanding applications
• Optimized external hex drive providing secure tool grip and simplified installation with standard wrenches
• Robust 1-1/4" length offering extended thread engagement for enhanced structural integrity
• Compliance with RoHS 3 and REACH standards ensuring environmental safety and global regulatory acceptance
• Versatile 3/4" width profile delivering balanced strength-to-size ratio for space-constrained installations

Professional Applications & Engineering Value

This black-oxide steel coupling nut addresses critical challenges in industrial assembly where corrosion resistance and thread reliability are paramount. The fully threaded UNC coarse design maintains consistent load distribution across the entire 1-1/4" length, preventing stress concentration points that compromise joint integrity. The Class 2B thread fit ensures compatibility with standard 7/16"-14 threaded rods and components, while the external hex drive facilitates quick installation in confined spaces. Ideal for structural frameworks, machinery assembly, and extended fastener applications, this coupling nut delivers engineered solutions for vibration-resistant connections in manufacturing, construction, and heavy equipment sectors.

Specification Summary & Compliance

Manufactured to precise Class 2B thread tolerances with UNC coarse threading (7/16"-14) and right-hand thread direction. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features standard external hex drive with 3/4" width and 1-1/4" length dimensions for consistent performance across industrial applications.