Have used stainless steel screws to sheet aluminium without galvanic corrosion problems by applying clear mastic sealant to the screw threads and thin rubber washers under the screw head.

Excluding water equals no electrolyte equals no corrosion.


Chris

2015 Plus 4 Silverlake Blue
(2014 3.7 Roadster Crystal Blue)
(2012 4/4 Sport Black)