Combo set to fit Marson RN-1 / M39300 tool for use with all 1/4"-20 rivet nuts and thread-serts.
$145.09 /Each
M39384 Marson Threaded Mandrel and Nosepiece Set for installing all 1⁄4-20 coarse thread Rivet Nuts and Thread-Serts when using the RN-1 / M39300 Rivet Nut installation Tool. Matching Mandrel and Nosepiece must be used together when installing this size insert.