An assortment of zinc-plated metric 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 M6-1.00 to M20-2.50 in fine thread size. Full assortment contains six (6) refills comprised of Hillman item numbers #44767 - #44772.
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.