Yes Jasp, having said all the above I've used SS bolts on my 6-pot calipers and have not had a problem - but, I've not had them apart either.
I used plenty of anti-sieze and didnt have any problems:
http://homepage.ntlworld.com/flsntl/...s/page0002.htm I did use high tensile steel for the mounting bolts (and nyloc nuts - belt and braces eh?).
But I'll obviously need something more 'bling' for my P4's
Gold cadmium plating perhaps - LOL.....
Frank