3/8-24 Fine Thread x 1-1/8 long, 1/2 across the flats steel coupling nut with zinc finish. Welcome to Magic Hub store. Your satisfaction is our priority. If there are any questions before and after purchase, please welcome to contact us, we will try my best to solve all for you. 3/8-24 Fine Thread x 1-1/8 long, 1/2 across the flats steel coupling nut with zinc finish Coupling nuts are threaded fasteners for joining two male threads, most commonly threaded rod Steel coupling nut with zinc finish - more rust resistant Coupling Nuts are used to make up long rod assemblies from shorter lengths of rods Package include: 24 x Hex Coupling Nuts Brand Magic Hub Metal Type Alloy Steel Drive Style External Hex Part Number PQ11 Thread Size 3/8 -24 Manufacturer Magic Hub Fastener Type Coupling, Hex Material Type Alloy Steel Exterior Finish Zinc Inside Thread Size 3/8 24