2. A copper rivet is a part that connects riveted parts through its own deformation or interference. Common rivets are semi-circular head rivets, flat head rivets, countersunk head rivets, semi-hollow rivets, solid rivets, female rivets and stepped rivets.

3. Lantern folding rivets are generally made of various brands of aluminum alloys, which have good corrosion resistance and are used in harsh climatic environments. The three folding legs formed during the use of the lantern rivet of the invention disperse the clamping force of the rivet on the product, do not damage the riveted material, and can also be used for riveting large shapes.

4. The rivet ejector pin can be made of tungsten alloy. Tungsten alloy rivet mandrels can provide the maximum available density. The edges and corners of the rivet ejector pin are smooth, and the working surface is polished, which is convenient to use. This helps to place the deformed decompression tail. Warning: The rivet ejector pin cannot be clamped in the vice unless the jaws of the vice are equipped with protective sleeves to prevent the rivet ejector pin from being damaged.