S-90977A261 3/4"-10 x 2 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with hot-dipped galvanized steel construction for long-lasting performance in harsh environments
• Superior load-bearing capacity with Grade 5 strength rating, ensuring reliable connections under heavy stress
• Precise thread engagement with Class 2B thread fit for smooth assembly and reduced cross-threading risks
• Versatile coarse threading using 3/4"-10 UNC standard for quick installation and compatibility with common industrial components
• Full-length threading provides maximum adjustability and connection flexibility in extended assembly applications
• External hex drive design enables easy installation with standard wrenches for efficient maintenance operations
• Compliance with environmental standards including RoHS 3 and REACH for safe usage in regulated industries

Professional Applications & Engineering Value

This Grade 5 coupling nut delivers critical engineering solutions for demanding industrial applications where extended connections between threaded rods or studs are required. The hot-dipped galvanized steel construction provides superior protection against rust and corrosion, making it ideal for outdoor installations, marine environments, and chemical processing facilities. The 3/4"-10 UNC coarse threading ensures rapid assembly while maintaining structural integrity, while the Class 2B thread fit guarantees precise mating with corresponding male threads without binding. The fully threaded design allows for maximum adjustability in plumbing, construction, and machinery applications where exact positioning is crucial. This heavy-duty external hex coupling nut withstands vibration and thermal cycling, making it suitable for conveyor systems, structural frameworks, and industrial equipment maintenance.

Specification Summary & Compliance

This coupling nut features precise Class 2B thread fit per UNC standards with 3/4"-10 coarse threading and right-hand thread direction. Manufacturing complies with Grade 5 strength requirements for reliable performance in industrial applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and regulatory adherence for industrial procurement. Dimensions include 1" width across flats and 2 1/4" length for standardized installation requirements.