| 摘要 |
A self-piercing rivet is disclosed. The disclosed self-piercing rivet comprises: a head part; a shank part integrally connected to the head part; a plurality of ribs spirally formed on the outer peripheral surface of the shank part in the lengthwise direction and integrally connected to the head part; and a straight part integrally formed in a connection portion between the head part and the ribs. |
