Abstract: An insert-molded card key in which a key and a card are mutually operatively connected, the card key comprising a key wherein a key support member formed of resin and a key body formed of metal are insert-molded, a card body having a key receiving portion formed in a portion of a card for the key, and a connecting portion for connecting the key support member of the key and the card body so that they may be rotated with each other, the key being rotatable with respect to the card body and being received in the key receiving portion. There is therefore provided an insert-molded card key which has an excellent usability, is conveniently carried, can be prevented from being lost, misplaced. etc., and can be reduced in manufacturing cost.