S-93345A233 1/2"-13 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
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Superior load distribution with full threading design, preventing stress concentration and joint failure
- Secure left-hand thread engagement for specialized applications requiring reverse-direction locking mechanisms
- Precise Class 2B thread fit ensuring smooth assembly and reliable connection stability
- Optimized torque transmission via external hex drive, enabling efficient installation with standard tools
- Robust coarse UNC threading providing rapid installation and resistance to vibration-induced loosening
- Full regulatory compliance with RoHS 3 and REACH standards, meeting international environmental and safety requirements
Professional Applications & Engineering Value
This zinc-plated steel coupling nut delivers critical performance in demanding mechanical systems where left-hand threading is essential for safety and operational integrity. The UNC coarse thread profile combined with Class 2B fit ensures rapid assembly in high-vibration environments such as rotating machinery, conveyor systems, and specialized equipment requiring reverse-threaded security. The external hex drive facilitates quick installation with common wrenching tools, while the full-length threading maximizes contact surface for superior load distribution. Engineered for heavy-duty coupling applications, this component prevents accidental disassembly in counter-rotating systems, making it ideal for manufacturing equipment, automotive assemblies, and industrial machinery where reliable threaded connections are paramount.
Specification Summary & Compliance
This coupling nut features 1/2"-13 UNC left-hand coarse threading with Class 2B thread fit per ASME standards, ensuring precise dimensional accuracy. The component measures 11/16" width across flats and 1 3/4" length with standard coupling nut profile. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming adherence to international substance restriction requirements for industrial components.
