Custom m2.5 carbon steel round head zinc plated machine screw

Industry knowledge：

Electroplating is the process of plating a thin layer of other metals or alloys on the surface of screws based on the principle of electrolysis. It is the process of attaching a layer of metal film on the surface of screws or other materials by electrolysis, so as to prevent corrosion, improve wear resistance, conductivity, reflective property and enhance beauty.