1. China Stud Supplier introduces that the surface of stainless steel screws adheres to organic juices (such as melons, vegetables, noodle soup, sputum, etc.), organic acids will be formed under the action of water and oxygen, and organic acids will corrode metal surfaces.　　　　 2. In humid air, the adhesion of dust or dissimilar metal particles and the condensate of stainless steel screws...