Staked fastener having wrenchable flats

摘要

A fastener assembly having improved push-out resistance and bearing engagement characteristics while maintaining serviceability by having stakes located in the sidewall flats. The fastener is mounted in the opening of a retainer and a stake is located in the sidewall. The stake extends from the sidewall and engages the retainer face without disturbing the fastener edge, such that the retainer is retained to the fastener flange by sandwiching retainer between the stake and the flange.