Will stainless steel screws rust?

As is known to all, stainless steel screws have the ability to resist air, water, acid, alkali salt to get other media corrosion, so, it will rust?

Stainless steel screws in general are not easy to rust. It is not easy to rust, but it will rust. For example, after the production is finished, take it for cleaning. If an iron screw is accidentally mixed into it, these cleaned screws will rust. If not, this batch of screws will have to be scrapped.

There is often stainless steel screws placed in easy contact with damp air or water will rust. When the protection layer on the screw surface will corrode, it is when the screw rusts. So if you want the screw not to rust, you need to consider the position of the screw will be vulnerable to corrosion, or when you order the stainless steel screw to say to the manufacturer, this screw needs to spend how many hours of salt spray test, to increase its corrosion resistance.