S-90268A427 7/16"-20 x 6" Coupling Nuts

Key Features & Benefits at a Glance

• Maximum connection strength with 6" extra long design for joining threaded rods or studs over extended distances
• Superior corrosion resistance provided by 18-8 stainless steel construction for demanding industrial environments
• Precise thread engagement with Class 2B fit ensuring reliable, vibration-resistant connections in critical applications
• Enhanced grip and torque application through external hex drive design for easy installation with standard tools
• Optimized thread compatibility with 7/16"-20 UNF fine threading for secure fastening in precision assemblies
• Reduced material stress through partially threaded design that minimizes potential for cross-threading during installation
• Environmental compliance assurance with RoHS 3 and REACH compliance for global industrial applications

Professional Applications & Engineering Value

This extra long coupling nut addresses critical engineering challenges in industrial assembly where extended connections between threaded components are required. The 18-8 stainless steel construction provides exceptional corrosion resistance for harsh environments while maintaining structural integrity under heavy loads. The 7/16"-20 UNF fine threading with Class 2B fit ensures precise engagement with mating components, reducing the risk of vibration-induced loosening in machinery, structural frameworks, and precision equipment. The partially threaded design combined with external hex drive allows for efficient installation in confined spaces while minimizing galling issues common in stainless steel fasteners. This makes it ideal for applications in chemical processing, marine equipment, food processing machinery, and architectural structures where both durability and thread reliability are paramount.

Specification Summary & Compliance

This coupling nut features 7/16"-20 UNF fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. The 5/8" minimum thread length provides sufficient engagement for secure connections. Manufactured from 18-8 stainless steel with external hex drive and right-hand threading, the component meets industrial fastening requirements. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global market acceptance for industrial applications.