Various screw sizes for Silhouette?

I recently picked up a 93 Silhouette hardtail for a good price (needs a re-fret and some TLC)… seeing as all my others are floating floyds, this will be good for alternate tunings after I freshen it up!

Some of the screws are very corroded, so if I’m not successful at cleaning them all, does anyone know what size replacement screws I’d need to order for…
-Bridge plate to body
-Saddles to bridge (also the spring size?)
-Saddle height set screws
-Pickup selector to pickguard
-Humbucker to…

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