An assortment of zinc-plated, fine-thread, coupling nut variants from The Hillman Group. Coupling nuts are long nuts used to connect pieces of threaded rod or other male-threaded fasteners. Think of them as longer hex nuts. Variants included in this assortment range from #10-32 to 3/4"-16 in fine thread size. Full assortment contains eight (8) refills comprised of Hillman item numbers #4372 - #4379.
Hex Coupling Nuts are are defined by their elongated hexagonal shape and used to connect two pieces of threaded material at opposite ends. Hex coupling nuts are made to be highly enduring and able to suit the wide variety of applications they are commonly used for. Hex couplers are also threaded right hand. If a right hand-left hand coupler is needed, consider using a sleeve nut.