This type is suitable for hot riveter the plastic product crust or the components, causes the plastic and the plastic hot agglutination or plastic rivet welding hardware piece. Widely use for hot riveter PDA, the handset, the horologe, the miniature plastic motor, relay electronic contact sheet copper, MP3, MP4, CD machine and so on. Can rivet many products at the same time ,is the "the good opportunity" of saving the manpower and the promotion the product quality