"gareth" wrote in message
...
But with one caveat, and that is, don't drill right through lest you
sever the central conductor making it difficult to get hold of when
desoldering it.

And thereby hangs a tale!

Cut the braid outer jacket away about an inch or two behind the connector
leaving the center conductor sticking out. Put the conector in a vise, heat
the center pin and pull the conductor out with some pliers.
Then drill the holes.

Or you can do the drilling first, then heat the center while holding the
connector with the pliers and give it a quick hit near the edge of a table
and the center conductor should fall out.