eSynic Hand Riveter Set of Screw Nut Rivet Rivet Tool Kit Set, 100-Piece M3/M4/M5/M6 Inserts, Steel/Aluminum (Yellow)

Rivet nuts were developed to overcome the drawbacks of nuts melting easily when welding metal plates or thin pipes, or of threads being easily stripped. They are used in automobiles, railways, furniture, aviation, etc. Suitable for M3/M4/M5/M6 rivet nuts. Set includes: M3*30pcs, M4*30pcs, M5*20pcs, M6*20pcs. (Note: M5 screws are already installed.) This rivet nut set is made from high-quality alloy steel that has been heat-treated for high hardness, corrosion resistance, and long life. After pre-treatment with phosphoric acid, the hardness and corrosion resistance of the product are enhanced, reaching a hardness of 58HRC. Simply turn the knob to easily switch the mandrel. After work, simply turn the knob to easily remove the mandrel from the rivet nut. If you make a mistake, you can easily remove the rivet nut with the included wrench. This ergonomic and durable tool features a power-saving lever that makes work easier and improves efficiency. The curved design and TPR handle provide a comfortable grip and absorb vibrations during use, optimizing the user experience. This product is a hand riveter suitable for automobiles, elevators, furniture, etc. Unlike old-style nuts, rivet nuts overcome the disadvantage of easily stripping the threads, do not require welding, and the strong rivet connection improves efficiency.