S-90202A207 1/4"-20 x 1 1/4" ASTM A582 Coupling Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh environments
• Excellent thread engagement through fully threaded design ensuring secure connections in demanding applications
• Precise thread compatibility with Class 2B fit providing reliable mating with UNC threaded components
• Enhanced durability meeting ASTM A582 specifications for consistent quality and mechanical properties
• Wide industrial applicability with coarse 1/4"-20 UNC threading for quick assembly and disassembly
• Environmental compliance assurance with RoHS 3 and REACH compliance for global regulatory acceptance
• Optimized dimensional stability featuring 23/64" OD and 1-1/4" length for standardized installation

Professional Applications & Engineering Value

This 1/4"-20 UNC coupling nut delivers exceptional engineering value in industrial assembly scenarios where extended thread engagement is critical. Manufactured from 18-8 stainless steel, it provides outstanding corrosion resistance that prevents degradation in moist or chemically aggressive environments, significantly extending service life. The fully threaded design maximizes contact surface area, distributing load evenly across the entire length to prevent stress concentration and thread stripping. With coarse UNC threading and Class 2B thread fit, this coupling nut ensures rapid installation while maintaining precise tolerances for vibration-resistant connections in machinery, structural frameworks, and piping systems. The standardized dimensions facilitate seamless integration with existing industrial fastening systems, reducing assembly time and maintenance requirements.

Specification Summary & Compliance

This coupling nut features 1/4"-20 UNC coarse threading with Class 2B thread fit per ASME B1.1 standards, ensuring precise dimensional accuracy and interchangeability. Manufactured in compliance with ASTM A582 specifications for material properties and performance. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental safety standards. Critical dimensions include 23/64" outer diameter and 1-1/4" length with right-hand thread direction for standardized industrial applications.