S-90202A235 1/2"-20 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
- Corrosion-resistant performance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
- Precise thread engagement with Class 2B thread fit, ensuring smooth assembly and secure connections in fine-thread applications.
- Full-threaded design provides maximum thread contact and load distribution for enhanced joint strength.
- Standardized compliance with ASTM A582 specifications, guaranteeing material quality and manufacturing consistency.
- Fine UNF threading (1/2"-20) offers superior vibration resistance and improved sealing in precision assemblies.
- Environmental regulation adherence through RoHS 3 and REACH compliance, supporting sustainable and safe industrial use.
- Right-hand threading facilitates straightforward installation and compatibility with common fastener systems.
Professional Applications & Engineering Value
This 1/2"-20 UNF coupling nut in 18-8 stainless steel addresses critical industrial challenges such as corrosion-induced failure and thread misalignment. Its fully threaded and fine thread design ensures uniform stress distribution, reducing the risk of loosening under dynamic loads in machinery, automotive, and structural applications. The Class 2B thread fit provides precise tolerance control, minimizing assembly errors and enhancing operational efficiency. By meeting ASTM A582 standards, it delivers consistent performance in demanding environments, from chemical processing to marine equipment, where corrosion resistance and durability are paramount for maintenance-free service life.
Specification Summary & Compliance
This coupling nut features a 1/2"-20 UNF fine thread with Class 2B thread fit for accurate dimensional control, an OD of 37/64", and a length of 1 1/4". It complies with ASTM A582 for material and manufacturing standards, and adheres to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance in global markets.
