S-90202A243 5/8"-11 x 1 1/4" ASTM A582 Coupling Nuts
Coupling Nuts
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Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength meeting ASTM A582 standards for reliable heavy-duty applications
- Precise Class 2B thread fit ensures smooth assembly and secure connections without cross-threading
- Coarse UNC threading provides faster installation and reduced susceptibility to debris clogging
- Full-length threading allows maximum engagement depth for enhanced load distribution
- Right-hand thread direction offers standard compatibility with common industrial equipment
- Environmental compliance with RoHS 3 and REACH regulations for global supply chain suitability
Professional Applications & Engineering Value
This 5/8"-11 UNC coupling nut delivers critical performance in demanding industrial applications where corrosion resistance and structural integrity are paramount. Manufactured from 18-8 stainless steel, it effectively resists chemical exposure and atmospheric corrosion in manufacturing plants, marine equipment, and chemical processing facilities. The coarse UNC thread profile enables rapid assembly in high-vibration environments while maintaining connection security. With full threading along its 1-1/4" length, this coupling nut provides maximum thread engagement for distributing axial loads across extended rod or stud connections. The Class 2B thread fit guarantees consistent mating with corresponding male threads, eliminating play while preventing galling during installation - a common challenge in stainless steel fasteners.
Specification Summary & Compliance
This coupling nut features 5/8"-11 UNC coarse threads with Class 2B fit tolerance per ASME B1.1 standards, ensuring precise thread engagement. The 55/64" OD and 1-1/4" length provide optimal dimensional stability. Manufacturing complies with ASTM A582 specification for stainless steel steel bars. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming restriction of hazardous substances for industrial safety.
