S-93345A231 3/8"-16 x 1 3/4" Coupling Nuts
Coupling Nuts
Image may differ from product. See technical specification for details.
Basic Information
Dimension Parameters
Thread Parameters
Head Parameters
Material & Strength Parameters
Finish & Compliance Parameters
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Superior thread engagement with Class 2B fit ensuring reliable connections in left-hand threaded assemblies
- High-strength steel construction providing exceptional load-bearing capacity for heavy-duty applications
- Quick installation with coarse UNC threading and external hex drive for efficient assembly with standard tools
- Full-threaded design offering maximum thread contact and uniform stress distribution
- Standard coupling profile ensuring compatibility with existing industrial fastener systems
- Environmental compliance meeting RoHS 3 and REACH standards for sustainable procurement
Professional Applications & Engineering Value
This zinc-plated steel coupling nut with left-hand UNC threads addresses critical challenges in reverse-threaded assemblies where standard right-hand fasteners would loosen under rotational forces. The coarse 3/8"-16 threading provides excellent engagement in materials prone to vibration, while the Class 2B thread fit maintains precise tolerances for consistent performance in automotive, machinery, and construction applications. The external hex drive design allows for high-torque installation using common wrenches, reducing assembly time in production environments. The fully threaded construction ensures maximum strength across the entire coupling length, making it ideal for connecting threaded rods, studs, and other components in structural frameworks and mechanical systems where reliability is paramount.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2B thread fit ensuring proper clearance and engagement. Features UNC coarse threading (3/8"-16) with left-hand direction and standard coupling nut profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting current substance restriction requirements for industrial fastener applications.
