The Moroso hex flange nut is specified for use on 5/8-18 thread wheel studs and is offered as an individual hardware replacement. Intended to match wheel-stud applications that use the 5/8-18 thread size, the flange nut provides the fastening interface required to secure wheel assemblies or related components where this specific thread and nut style are called for.
Moroso Hex Flange Nut - 5/8-18 Thread Wheel Stud