436-piece Threaded Insert Tool Set, M3 M4 M5 M6 M8 Crimping Nut Tool, Rivet Nut Tool and 5 Mandrels, Aluminum Crimping Nut Threaded Insert Tool for Metal Pipes and Cars

【Threaded Insert Pliers】Threaded inserts are fasteners with internal threads that are an excellent component for adding strength to thin materials. Rivet nuts can be anchored to one side of a workpiece without touching the other side.
【Various Sizes】We offer rivet nuts in M3, M4, M5, M6, and M8 sizes, as well as mandrels, which you can choose according to your needs for different applications. (M3 1x mandrel, 160pcs threaded inserts; M4 1x mandrel, 110pcs threaded inserts; M5 1x mandrel, 70pcs threaded inserts; M6 1x mandrel, 70pcs threaded inserts; M8 1x mandrel, 20pcs threaded inserts)
【Quality Material】The 430 rivet nuts are made of high-quality aluminum, corrosion-resistant and high-strength; The carbon steel threaded insert pliers are ergonomically designed and covered with non-slip rubber grips, convenient and inexpensive to use.
【Easy to Use】Drill a hole and choose a rivet nut of the same diameter; Mount the nut on the pliers and insert it into the hole; Squeeze the handle of the insert pliers to lock the threaded insert; Loosen the nut and you can now secure the object with bolts. 【Wide Application】The nut riveting tool is suitable for installing car license plates, bicycle bottle cages; repairing cars, trailers, and furniture such as door locks; and for subsequent use in spaces like the interior of a van or truck, or a garage metal shield.