What is Rivets? Rivets >Metal pins >For permanent fastening >Unthreaded >One headed >After passing through the parts,a second head formed on the opposite side by hammering,pressing or forging 3 Introduction to Engineering3 Introduction to Engineering What is Rivets? Rivets Metal pins For permanent fastening Unthreaded One headed After passing through the parts,a second head formed on the opposite side by hammering, pressing or forging