Choose from our selection of hex coupling nuts, including low-strength steel coupling nuts, 18-8 stainless steel coupling nuts, and more. In stock and ready to ship.

Hex couplers are used to connect two pieces of threaded material. Hex and heavy hex couplers are threaded right hand. If a right hand-left hand coupler is needed, consider using a sleeve nut. See our nut compatibility chart to determine the compatible hex …

Hex Coupling Nuts are defined by their elongated hexagonal shape, and are used to connect two pieces of threaded material at opposite ends. These nuts are made to be highly enduring and able to suit the wide variety of applications they are commonly used for. …

Choose from our selection of low-strength steel coupling nuts, 18-8 stainless steel coupling nuts, round coupling nuts, and more. In stock and ready to ship.

Coupling nuts, or hex coupling nuts, are long, internally threaded fasteners that connect metal components. While similar in design to heavy hex nuts, these fasteners are used to “couple” or join two externally threaded rods and form durable connections.

Hex coupling nuts, also known as rod couplings, are double-chamfered hex nuts available in various widths and lengths. The length of the nut is greater than 2.5D, where D equals the basic major thread diameter.