Semi-hollow rivets usually consist of a nut with threads and a rivet body that can be inserted into a hole. The middle part of the rivet body is hollowed out to form a hollow structure. There are many types of semi-hollow rivets to choose from, including flat head semi-hollow rivets, countersunk head semi-hollow rivets, etc., such as GB873, GB875... The materials mainly include stainless steel, carbon steel and aluminum. Semi-hollow rivets are widely used in automobile manufacturing, aerospace, electronic equipment, building decoration and other fields.