Application is a handle-bar clamp - could be left exposed to seaside-winter conditions for weeks/months.
Clamp is brass, screws are some stainless as sold to me by a fastener company (don't know what variety of SS).
Will they gall?
I'd say the answer is a grease which provides good corrosion protection rather than an anti-galling product. Ask your sailing friends.
Anti seize is cheap protection ... anyplace I don't use loctite I use anti seize .
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