Product Description:
The Long Nut 5/16″ is a precision-engineered hex coupling nut designed to connect two pieces of threaded rod or bolts securely. Built for strength and stability, it’s ideal for mechanical fastening, construction, plumbing, and general hardware applications.
Made from high-quality steel, the long nut offers extended thread engagement, ensuring a tight, vibration-resistant connection in demanding environments. Its hexagonal body allows for easy tightening with standard tools, making installation fast and efficient.
Product Highlights:
þ Size: 5/16″ (Standard Fit)
þ Category: Tools & Fasteners
þ Function: Coupling threaded rods or bolts
þ Material: Durable steel (corrosion-resistant finish)
þ Use Case: Ideal for HVAC, mechanical installations, steel structures, and industrial repair
Whether you’re working on maintenance, assembly, or structural projects, the 5/16 Long Nut offers reliable performance and long-lasting value.



BR 20374
VN 14447
US 4357
AR 3437
CN 1756
EC 1443
SG 896
MX 709
