- Width Across Flats3/4
- Width5/8"
- Thread Diameter1/2
- Supply TypeManufacturer, Exporter, Supplier, Retailer
- Preferred Buyer Location All over the world
Coupling nuts are used to make up long tie rod assemblies from shorter lengths of rod and to facilitate assembly of two fasteners or fittings which each have external threads. Coupling nut dimensions are described by the Industrial Fasteners Institute in standard IFI-128.