Patent ID: 8608420

Claim:
A self-attaching nut for attachment to a panel, comprising: a central pilot portion having a bore therethrough, and having a substantially cylindrical outer surface; a flange portion surrounding the outer surface of the pilot portion, the flange portion including: an annular back face surrounding the central pilot portion; an opposed face distal to the annular back face; and an annular groove defined in the opposed face surrounding the pilot portion, the annular groove having a substantially V-shaped axial cross section; a tubular body extension projecting from the annular back face; a tubular pilot portion of the central pilot portion projecting from the opposed face distal to the tubular body extension; and a plurality of formations formed on a surface of the annular groove, the formations consisting of spaced raised buttons having an at least partially spherical shape configured to substantially prevent relative rotation between the nut and the panel, and configured to aid in preventing pull-out of the nut from the panel.