[High-quality materials] - Made of high-quality aluminum, with good corrosion resistance and durability, to ensure that long-term use is not easy to rust or damage. Rivets can be hardened in some applications for added strength and durability. [Percussion Expansion Design] -- By tapping the rivet head, the rivet tail can be expanded to provide greater force fixing when fixing the object. The surface is smooth and shiny, the force is uniform, and the thread does not slip. [Raised half-round head design] - The half-round head can provide better support and ensure the stability and firmness of the rivet once fixed. This design helps prevent the rivet from loosening or coming loose. [Easy to Install] -- With the knock-on style expansion feature, our rivets can be easily installed by simply hitting the head with a hammer or a mallet. This makes the installation process quick, saving you time and effort. [Wide Application] - These rivets are suitable for fastening various materials such as metal, plastic and wood. They find applications in areas such as automobile manufacturing, mechanical equipment, manufacturing, etc.