<p>A folding key for vehicles, in which a key body (1) is pivotally mounted in a dished cap (2) so as to be capable of pivoting with respect to the cap. The key body has a pivot portion (1b, 1b) which is clamped and supported between a first bearing portion provided in a bottom surface of a recess (2a') in the cap and a second bearing portion provided in a support member fitted in the recess in the cap. A resilient tongue (15) is resiliently engaged with an inward end (1c) of the key body to retain the same. The cap has formed therein a cut-out with which the key body (1) is engaged upon ultimate levelling of the key body.</p>
