Description
The BR-39268 (Marson M39268) mandrel and nosepiece set installs M6 × 1.0 metric rivet nuts using the Marson #39200 (HP-3 / A-L Metric) thread-setter tool. Made from hardened steel for durability, it provides precision threading for blind installations in sheet metal, plastics, or composites where only one side is accessible. The set ensures correct grip and thread formation for reliable fastener performance in industrial, automotive, and fabrication applications.


