S-90983A213 7/16"-14 x 1 3/4" Coupling Nuts

Key Features & Benefits at a Glance

• Maximum Load Capacity - Grade 8 strength classification ensures reliable performance under high tensile and vibration loads
• Superior Corrosion Resistance - Zinc-plated steel construction provides excellent protection against rust and environmental degradation
• Precision Thread Engagement - Class 2B thread fit guarantees consistent, secure connections with minimal backlash
• Enhanced Installation Efficiency - External hex drive design allows for easy installation using standard wrenches
• Versatile Connection Capability - Fully threaded right-hand design accommodates various rod and bolt lengths
• Industry Standard Compatibility - 7/16"-14 UNC coarse threads ensure broad compatibility with existing fastener systems
• Regulatory Compliance Assurance - Meets RoHS 3 and REACH environmental standards for safe industrial use

Professional Applications & Engineering Value

This Grade 8 coupling nut delivers exceptional engineering value in demanding industrial applications where structural integrity and long-term reliability are paramount. The zinc-plated steel construction provides superior corrosion resistance, making it ideal for outdoor equipment, construction machinery, and manufacturing systems exposed to harsh environments. The 7/16"-14 UNC coarse threading with Class 2B fit ensures precise engagement with mating components, reducing the risk of thread stripping under heavy loads. The fully threaded design accommodates various connection scenarios, from extending threaded rods to joining dissimilar materials, while the external hex drive facilitates quick installation in confined spaces. This coupling nut solves critical connection challenges in structural frameworks, mechanical assemblies, and heavy equipment where vibration resistance and sustained performance are essential requirements.

Specification Summary & Compliance

This heavy-duty coupling nut features precision 7/16"-14 UNC coarse threads with Class 2B thread fit for optimal engagement tolerance. The fastener measures 1-3/4" in length with a 3/4" width across flats for standard wrench compatibility. Manufactured to Grade 8 strength specifications, it meets rigorous industrial standards for high-strength applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors while maintaining exceptional mechanical properties and dimensional accuracy.