Metal nuts, with single thread, to snap on (NU/SNU type)
These parts have a thread formed in the sheet metal. They are snapped on the edge of a panel, where they are clipped over a hole.
Antivibration metal nuts, with twin thread, to snap on (SNK type)
These parts have a twin-thread formed in the sheet metal. They have a high resistance to vibrations and a high mechanical resistance. They are snapped on the edge of a single thickness panel, where they are clipped over a hole.
Metal nuts, with single thread, with self locking, to snap on (NFJ type)
These parts have a thread formed in the sheet metal, a shorter lower branch, and a self locking system above the thread. They are snapped on the edge of a single thickness panel, where they are clipped over a hole.
Metal threaded chimney nuts, to snap on (NUT type)
These parts have a threaded chimney formed in the sheet metal. They are snapped on the edge of a panel, where they are clipped over a hole.