A Coupling Nut (also known as Extension Nut or Long Nut) is a hex-shaped fastener designed to join two male threaded rods or bolts together. Perfect for threaded rod extensions, machinery repairs, construction fittings, and industrial assemblies, coupling nuts provide strong, durable, and vibration-resistant connections.
Manufactured with precision threading, they ensure smooth engagement, tight grip, and long-lasting performance even under heavy loads.