25 Pezzi Dado Rivetto Flangia Corpo Mezzo Esagonale, M8 Testa Piatta Acciaio al Carbonio Inserto Filettato Nu
[Easy to use]: Rivet nuts require riveting tools, either pneumatic or manual. Create a hole matching the rivet nut's mounting hole size, insert the rivet nut, and use the riveting tool to secure the locking nut.