Spring clip
[1] A fastening device made of an incomplete circle of spring steel, e.g., for covers.
[2] A rebound clip which holds the spring leaves of a leaf spring together and to keep them in alignment.
[3] A fastener used to provide a screw hole for a sheet metal screw; certain variants of this fastener may be moved slightly at their mounting to provide a certain degree of adjustment. See also
speed nut