On Fri, 11 Jul 2003 22:47:03 +0100, "Alec"
wrote:

But some of the screws attaching them to the frame have rusted
through. I sprayed WD40 but I get no grip at all with my screwdriver.

Diamond paste in oil, sold as "magic screwdriver grip". It's
impressively effective.

A good screwdriver bit helps too. I have a Wiha with diamond-plated
faces that is handy for awkward ones. They don't last though, so don't
use it for "everyday".