S-90104A109 7/16"-14 x 1 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to premium 316 stainless steel construction
• Reliable thread engagement ensured by Class 2B thread fit for secure, vibration-resistant connections
• Easy installation and removal with external hex drive design compatible with standard wrenches
• Versatile joining capability from fully threaded right-hand UNC design for coupling rods or studs
• Durable coarse threading (14 TPI) provides excellent wear resistance and debris shedding in industrial settings
• Precise dimensional compatibility with 9/16" width and 1-1/4" length meeting standard coupling nut specifications
• Compliance with environmental regulations including RoHS 3 and REACH for global industrial applications

Professional Applications & Engineering Value

This 7/16"-14 UNC coupling nut delivers exceptional engineering value in demanding applications where corrosion resistance and mechanical reliability are paramount. Manufactured from 316 stainless steel, it provides superior performance in chemical processing, marine environments, and food processing equipment where exposure to corrosive elements would compromise ordinary fasteners. The fully threaded design with coarse UNC threading ensures maximum thread engagement across the entire nut length, distributing load evenly while resisting loosening under vibration. The external hex drive configuration allows for high-torque installation using standard tools, making it ideal for assembly lines and maintenance operations. These coupling nuts solve critical connection challenges in structural frameworks, extension rod applications, and machinery where extended threaded connectors are required.

Specification Summary & Compliance

This coupling nut features 7/16"-14 UNC coarse threading with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and interchangeability. The standard coupling nut profile measures 9/16" across flats and 1-1/4" in length. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, making it suitable for regulated industrial applications worldwide. The right-hand thread direction and fully threaded construction provide consistent performance across all mating components.