Well Nut

A well nut is a rubber-bodied rivet nut with a brass thread. It seals and isolates vibration while providing a thread. Well nuts come in standard and large flange forms.

A well nut sets into a drilled hole in thin sheet or panel. It seals the hole and gives a threaded fixing point. It takes a machine screw of the same thread, and it is often used where a weather resistant joint is wanted.

Well nuts have a rubber body and a brass thread insert. The rubber can be neoprene or similar. The brass thread gives a durable fastening point.

This is a general guide to checking this kind of part. It says nothing about any supplier's parts.

Ask for a certificate of conformance for the well nuts. Check the thread and the rubber body for defects. On receipt, confirm the flange type and size match your order.