All kinds of PCB rivet for through hole laminating and Position during production.

It be make of copper, stainless steel, plastic etc.

The size is: bottom Dia. 5.5 x Dia. 3.175mm, the height is: 1.7， 2.0， 2.3， 2.5， 2.7，3.0， 3.2， 3.4， 3.7， 4.0mm etc.