Nut for suspension

In my previously loaded models was provided a coupling device with a plastic nut, alternatively you can use this ceramic nut but it is preferable to use plastic because it avoids the risk of seizure. Would require verification tests. Interested models: http://grabcad.com/library/bowl-for-green-wall-tile http://grabcad.com/library/nested-trays-for-green-wall http://grabcad.com/library/conketta http://grabcad.com/library/deconstructive-vessel-for-green-wall http://grabcad.com/library/double-bowl-for-green-wall-tile