Meanings of last rivet in anglès

Iron Girder is my machine, I built 'er, every last rivet carefully forged by 'and.

Finally, after many hours of work, the last rivet was driven home, and Mr. Vardon cried:

The last rivet was secured, the bridge was complete, and Dublin and Belfast were finally, formally and officially connected, writes Mary Mulvihill.

I lowered from the last rivet before I could make the belay, leaving 35 feet of natural hook and head placements for the following morning.