Based on this product's specifications, here are some alternatives and similar models
Blind rivet nut GESIPA A2 M6x9x15.5 – stainless steel, pack of 250
Summary description:
Blind rivet nut GESIPA A2 M6x9x15.5, stainless steel, pack of 250. Designed to create strong internal threads in thin or soft materials where access is possible from one side only. Specification shows M6 thread with sleeve dimensions 9×15.5 mm. Suitable for sheet metal, plastic or composite panels; used in assembly, repair and mounting tasks to provide durable threaded fastening points.