Will stainless steel and aluminum react?

Stainless steel is an alloy of carbon steel that is, itself, resistant to corrosion. However, stainless steel is reactive with aluminum, and when a stainless steel screw is in contact with an aluminum base metal, the aluminum is likely to corrode.

Will zinc bolts corrode aluminum?

In any contact between zinc and aluminum if the aluminum is small relatively to Zinc and in presence of common electrolyte (water or soil) Aluminum…