Metric Coupling Nuts Assortment (M6-1.00 thru M20-2.50)Hillman Item #44766
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.