Hi Stephen,
Loctite requires grease and oil free threads to work on, use brake cleaner or thinners to clean them,
I have only had a very occasional problem with galling, but when it strikes its a B**tard
I normally use "nutloc" or similar on stainless engine/frame bolts studs, stainless into alloy or steel on the engine/ gearbox etc I lube
HTH
John O R