Learning the HARD way...
Join Date: Jan 2007
Location: Boston / Ft Myers Area
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I assume that you mean "pop riveting."
It is fairly simple. A pop rivet is a tube of aluminum (soft) with on end flanged, and the other straight. A "Mandrel" (which looks like a finish nail) runs through the tube, with the "head" of the nail opposite the flanged side, and the pointy side of the nail sticking out the flanged side.
To use, you drill a hole in the two objects that you wish to join. The hole needs to be just big enough for the rivet to fit into, but no more. You also need a rivet gun to complete the fastening process. When used with a rivet gun, the "nail" is pulled through the tube from the pointy side, widening the tube as the head is pulled through it. When the head reaches the drilled hole, it cannot fit through because of the compressed aluminum from the rivet. Ususlly the head of the mandrel snaps off, creating the "pop" sound that gives this fastner it's name.