Metric Stainless Screws - Some Interesting Facts Metric stainless steel screws have been an important engineering material for years - very useful most especially in aviation, construction, and other industries. What's the big deal about this kind of material? Why is it popular in the industry? When do you need to choose metric stainless screws for your project? These are important questions we need to address. And some interesting facts below can help us find the answers. An ordinary metal like carbon steel screw is prone to rusting. Exposure of this material to oxygen would lead to oxidation - a chemical reaction between the material and the atmosphere. And, it is important to note that the more corrosive your environment, the faster oxidation process would take place. Seaside for instance is more corrosive - metals corrode more quickly when near the sea. Although industries used to be satisfied with carbon steel for centuries, the fast-paced environment and the tough competitio...