Homebrew PCBs

I wonder if they could make via-pins?  Just a simple pre-cut wire with
a flange on one end, designed to press-fit into a 13.5 mil hole and be
soldered on both sides.

I suppose it would be easy enough to buy 13.5 mil wire (or slightly
larger?), and cut it to length with some shearing action that left a
bend on the top...