S-90268A201 0-80 x 1/4" Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Precise thread engagement with Class 2B fit ensuring reliable, vibration-resistant connections in fine-thread applications
• Easy installation and removal thanks to the external hex drive design compatible with standard tools
• Full-length threading provides maximum thread contact for stronger, more secure coupling between components
• Industry-standard compliance with RoHS 3 and REACH regulations for safe, environmentally responsible manufacturing
• Compact 1/4" length offers space-saving solutions without compromising strength in tight assembly areas
• Right-hand UNF fine threading delivers excellent load distribution and sealing capabilities in precision assemblies

Professional Applications & Engineering Value

This 0-80 UNF coupling nut delivers exceptional engineering value in applications requiring extended thread engagement between male-female fasteners. The 18-8 stainless steel material provides excellent corrosion resistance, making it ideal for marine, chemical processing, and outdoor equipment where environmental factors degrade ordinary fasteners. The fine UNF threading with Class 2B fit ensures precise alignment and superior vibration resistance in precision machinery, electronic enclosures, and instrumentation. The external hex drive allows for high-torque installation using standard wrenches, while the fully threaded design maximizes load distribution across the entire 1/4" length. These coupling nuts solve critical connection challenges in aerospace components, medical devices, and industrial automation systems where reliability and corrosion resistance are paramount.

Specification Summary & Compliance

This coupling nut features 0-80 UNF fine threading with Class 2B thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. The 1/4" length and 1/8" width maintain strict manufacturing tolerances for consistent performance. Manufactured from 18-8 stainless steel with right-hand, fully threaded configuration. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting the latest environmental and safety standards for industrial fastener applications.