Stainless steel csk head screws factory teach you how to distinguish nickel plated screws and galvanized screws
Stainless steel csk head screws factory teach you how to distinguish nickel plated screws and galvanized screws In the fastener industry, there are many kinds of screw surface treatment. Taking Shi Shi Tong’s stainless steel csk head screws factory as an example, there are different surface treatment methods on the metal surfaces, such as vacuum electroplating, black coating, electrophoresis, galvanizing, and nickel plating, etc. There are many differences between different surface treatments, so how to distinguish between nickel-plated screws and galvanized screws of steel material? Shi Shi Tong stainless steel csk head screws factory in the following to share three kinds of discrimination: The first method is to distinguish directly according to the color of the screw’s appearance. The nickel-plated screw’s surface is very bright silver, and the galvanized screw’s appearance has black, white, yellow, colorful, and other different colors. The second way i...