A press-fit type connector terminal (100, 200, 300, 400, 500, 700) being comprised of a single bent metal plate (10, 210, 310, 410, 510, 710) having elasticity, the connector terminal (100, 200, 300, 400, 500, 700) comprising: a pin section (11, 211, 311, 411, 511, 711) having a U-shaped or quadrangular cross-section; and a contact section (14, 214, 314, 414, 514, 714) situated at a front end of the pin section (11, 211, 311, 411, 511, 711), at least one slit (4, 224, 324, 424, 524, 701) being formed at a part of the contact section (14, 214, 314, 414, 514, 714) and extending substantially parallel to an imaginary center line of the contact section (14, 214, 314, 414, 514, 714), the imaginary center line extending parallel to a longitudinal axis of the pin section (11, 211, 311, 411, 511, 711), the contact section being in the form of a barrel or a spindle and including at least one contact piece (13, 113, 313, 413, 513, 713) such that the contact piece (13, 113, 313, 413, 513, 713) surrounds the imaginary center line, characterized in that the connector terminal (100, 200, 300, 400, 500, 700) further includes an inner shaft section (12, 212, 312, 412, 512, 712) situated in the contact section (14, 214, 314, 414, 514, 714) and continuous with at least one of the pin section (11, 211, 311, 411, 511, 711) and the contact section, the contact section wholly surrounding the inner shaft section (12, 212, 312, 412, 512, 712), and that the contact section has a maximum diameter at a center in a length-wise direction thereof, the contact section being resiliently deformed when being inserted into a through-hole of a printed circuit board, and making contact at a portion of the maximum diameter with an inner surface of the through-hole. a pin section (11, 211, 311, 411, 511, 711) having a U-shaped or quadrangular cross-section; and a contact section (14, 214, 314, 414, 514, 714) situated at a front end of the pin section (11, 211, 311, 411, 511, 711), at least one slit (4, 224, 324, 424, 524, 701) being formed at a part of the contact section (14, 214, 314, 414, 514, 714) and extending substantially parallel to an imaginary center line of the contact section (14, 214, 314, 414, 514, 714), the imaginary center line extending parallel to a longitudinal axis of the pin section (11, 211, 311, 411, 511, 711), the contact section being in the form of a barrel or a spindle and including at least one contact piece (13, 113, 313, 413, 513, 713) such that the contact piece (13, 113, 313, 413, 513, 713) surrounds the imaginary center line, characterized in that the connector terminal (100, 200, 300, 400, 500, 700) further includes an inner shaft section (12, 212, 312, 412, 512, 712) situated in the contact section (14, 214, 314, 414, 514, 714) and continuous with at least one of the pin section (11, 211, 311, 411, 511, 711) and the contact section, the contact section wholly surrounding the inner shaft section (12, 212, 312, 412, 512, 712), and that the contact section has a maximum diameter at a center in a length-wise direction thereof, the contact section being resiliently deformed when being inserted into a through-hole of a printed circuit board, and making contact at a portion of the maximum diameter with an inner surface of the through-hole.