J-nut

A J-nut is a nut that clips to the edge of the sheet metal. It is named after the way it is shaped; the thread is on the long side of the "J". The thread may either be of a speed nut form or have an integrated hex or square nut. Due to the short retaining leg the nut is allowed to float more, which can help with misalignment, but the nut is free to un-clip from the sheet metal as well.