Coupling nuts, also known as extension nuts, are threaded fasteners used for joining two male threaded rods. The exterior of this fastener is typically a hex so a wrench can hold it easily. We offer a variety of stainless steel coupling nuts in a range of sizes. Browse our selection below, and if don’t see what you are looking for on our website contact one our knowledgeable staff members. 866-463-2910.
For small or large scale orders, request a quote to receive our best pricing available for your custom order.