S-90264A115 7/16"-20 x 1 1/4" 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, extending service life in harsh industrial environments
- Precise thread engagement through Class 2B fit and UNF fine threading, ensuring reliable connections without cross-threading
- Maximum load distribution from full-length threading, providing enhanced strength for heavy-duty applications
- Easy installation and removal with standard external hex drive, compatible with common wrench tools
- Right-hand threading compatibility with standard assembly systems, streamlining production workflows
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for global industrial use
- Dimensional consistency with standardized 1-1/4" length and 9/16" width for predictable performance
Professional Applications & Engineering Value
This 7/16"-20 coupling nut solves critical challenges in industrial assembly where extended thread engagement is required. The zinc-plated steel construction provides essential corrosion protection for applications exposed to moisture or chemicals, while the UNF fine threading and Class 2B fit ensure precise alignment and vibration resistance in machinery, automotive, and structural applications. The fully threaded design allows for maximum thread contact along the entire length, distributing stress evenly to prevent failure points. As an external hex coupling nut, it offers superior torque application capability compared to internal drive styles, making it ideal for high-tension connections in construction equipment, hydraulic systems, and precision manufacturing where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to UNF thread standards with 7/16"-20 fine threading and Class 2B thread fit for consistent dimensional accuracy. The coupling nut features right-hand thread direction and standard coupling nut profile with 1-1/4" length and 9/16" width. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety for industrial procurement.
