126-piece Threaded Insert Tool Set, M3 M4 M5 M6 M8 Crimping Pliers, Rivet Nuts and 5 Mandrels, Aluminum Threaded Insert Tool for Metal Pipes

【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, 30pcs threaded inserts; M4 1x mandrel, 30pcs threaded inserts; M5 1x mandrel, 30pcs threaded inserts; M6 1x mandrel, 20pcs threaded inserts; M8 1x mandrel, 10pcs threaded inserts)
【Quality Material】The 120 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 handles, 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.