Patent ID: 8881625

Claim:
A fastener, comprising: a first end defining a threaded portion; a second end including a fastener head; a slot formed in the head, the slot including generally opposed first and second walls defining an insertion opening; the first wall having two faceted portions each having angles of less than ninety degrees with respect to the base of the slot, the two faceted portions being separated by a generally perpendicular central portion relative to the base of the slot; and the second wall having two faceted portions each having angles of less than ninety degrees with respect to the base of the slot, the two faceted portions being separated by a generally perpendicular central portion relative to the base of the slot; wherein a central portion of a top edge of the first wall and a central portion of a top edge of the second wall are generally parallel to one another, and wherein a top edge of the first wail and a top edge of the second wall at each end of the slot defined by the faceted portions diverge away from one another; and wherein the base of the slot has a variable width, at least a portion of the width of the base being greater than the width of the insertion opening.