Patent ID: 8221042

Claim:
A fastener for insertion into a slotted aperture in an automotive panel, the fastener comprising: a head portion for connecting an automotive component to the automotive panel; a base extending from the head portion, the base having an elongated cross-section sized to fit within the slotted aperture for limiting rotation of the base within the aperture, the elongated cross-section in a plane perpendicular to a longitudinal axis of the base; a first array of fins extending outward from the base and towards the head portion, each fin of the first array extending along a first peripheral region of the base, one fin of the first array of fins being positioned at a distal end of the fastener, the distal end defined by a planar surface and opposed to the head, the one fin extending outward from the planar surface; and a second array of fins extending outward from the base and towards the head portion, each fin of the second array extending along a second peripheral region of the base, the second array of fins being offset axially from the first array of fins.