Quote Originally Posted by Dave+63 View Post
You do realise that WD40 is a penetrating oil, used to help loosen tight and corroded threads? It doesn’t protect against corrosion, grease in one of its many guises (normal/copper/aluminium etc) is what should be used in this instance.
Sorry to disagree Dave.🤓👍 It’s a moisture dispersal spray with some lubricating qualities. But as a penetrating oil it’s pretty poor. It’s a general purpose spray and will help in many situations, but it just doesn’t compare to a proper dedicated penetrating oil.