Mandrel for installing all 5/16"-18 rivet nuts and thread-serts.
$120.51 /Each
M39359 Marson Threaded Mandrel for installing all 5/16-18 coarse thread Rivet Nuts and Thread-Serts when using the RN-1 / M39300 Rivet Nut installation Tool. Nosepiece not required when installing this insert thread size.