A method for attaching a fastener to a workpiece a combination of a disc with a die and die

A method of attaching a fastener to a workpiece by means of a disc and a stamper will be described. The fastening member has a flange of larger diameter, a rivet section of smaller diameter extending away from the flange and a workpiece contact surface on the side facing the rivet section side of the flange on the female mold is provided for receiving the disc and has a central post, the end face of at least flush lies with the side facing the workpiece side of the disc. The non pre-punched workpiece is perforated prior to said end face of the central post and the free end face of the rivet section and the rivet section of the fastening element is then shaped into a rivet bead. a template and a combination of a die with a disk are also claimed.