A rivet is a nail-shaped object with a cap at one end: in the process of riveting, the riveted parts are connected by their own deformation or interference, and are widely used in construction, automobiles, ships, furniture and other products. Some types of rivets can usually be divided into general open rivets including (open type, countersunk head and flat head); closed type rivets (also called waterproof rivets); the difference between general rivets is that in addition to high strength, A typical feature is that the mandrel is locked in the riveting body without loosening after the riveting is completed. 1. The size of the rivet head also has a unique effect on the quality of the blind rivet. 2. Pull the rivets to remind the galvanized nails, do not mix them with oil and water, otherwise they will rust, and the cap may be taken off. 3. When the riveting machine makes the core of the blind rivet, the small wings on the side are too small, resulting in the mismatch between the hat and the nails. 4. That is, the nails and the cap do not match, and the gaps inside do not match, resulting in the quality of the rivets falling off the nails, and the operation is not successful. steady-ind.com