An electrical connector for circuit boards whose terminals 70 have a first abutment portion 72 which, within a terminal retaining portion 63A, is located closer to one interior wall surface of the above mentioned terminal retaining portion 63A opposed to one major face of said retained portion 71 than to said one major face and which is abuttable against said one interior wall surface, and a second abutment portion 73, which is located closer to the other interior wall surface of the terminal retaining portion 63A opposed to the other major face of the above mentioned retained portion 71 than to said other major face and which is abuttable against said other interior wall surface.