S-90264A505 1/2"-20 x 1 3/4" 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 zinc-plated steel construction for extended service life in harsh industrial environments
- Precise thread engagement with Class 2B thread fit ensures reliable connections and reduces cross-threading risks
- Maximum load distribution through fully threaded design enhances joint integrity under heavy loads
- Easy installation and removal with external hex drive compatible with standard wrenches
- Fine thread spacing (20 TPI) provides better vibration resistance and improved clamping force
- Regulatory compliance with RoHS 3 and REACH standards meets international environmental requirements
- Standard UNF threading ensures compatibility with existing inch-system components and tooling
Professional Applications & Engineering Value
This 1/2"-20 UNF coupling nut delivers critical performance in demanding assembly applications where extended length connectors are required. The zinc-plated steel construction provides essential corrosion protection for outdoor equipment, agricultural machinery, and automotive systems, while the Class 2B thread fit maintains precise tolerances for repeated assembly and disassembly cycles. The fully threaded right-hand design allows for maximum engagement depth, distributing stress evenly across the entire connection to prevent thread stripping under high tensile loads. With its standard external hex profile, installation teams can quickly secure connections using common wrench sets, reducing assembly time in production environments and field maintenance scenarios.
Specification Summary & Compliance
This coupling nut features 1/2"-20 UNF fine threading with Class 2B thread fit per Unified Thread Standard specifications. Dimensions include 1 3/4" length and 11/16" width with standard coupling nut profile. The product is manufactured from zinc-plated steel and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial supply chains.
