Patent 9995329 was granted and assigned to Sungwoo Hitech Co. Ltd. on June, 2018 by the United States Patent and Trademark Office.
A self-piercing rivet is disclosed. A self-piercing rivet according to an exemplary embodiment of the present invention may include: a head portion; a shank portion integrally connected with the head portion; a plurality of ribs formed to an external circumferential surface of the shank portion along a length direction of the shank portion in a spiral form and integrally connected to the head portion; and a straight portion integrally formed in a connecting portion in which the head portion and 50 are connected.