On Sep 10, 4:58 am, Bill wrote:

I've thought of poking an old-style gimlet down and trying to extract
with that, but it doesn't really have a grippy thread. What I think I
need is sort of a self-tapper with a long shaft. A quick gaze around the
shed hasn't given any inspiration. Can anyone suggest a suitable tool or
process?

Do you have a long coach screw? Drill a pilot hole and screw the screw
in and pull hard