Bruce in Bangkok wrote:
...I have a stainless rudder post and a stainless
wind vane steerer shaft that do not have incompatible metals attached
and don't have zincs which don't have corrosion either.

But quit quibbling. I posted something about monel screws, there are
plenty of sources for them and whether you "need" them or not is of
course your decision.

Huh?
I was responding to somebody that
1) wants monel screws
2) apparently understands their anti-corrosion qualities.

Brian W