Customize black stainless screws, what finishing methods are available?
Customize black stainless screws, what finishing methods are available? There are many kinds of surface treatment methods for black stainless screws . Today, I’ll mainly introduce three kinds of methods to you: eco black zinc plating, electrophoresis black and dacromet black. The price of stainless steel screw electroplated black zinc is cheap, and the surface is relatively black bright and looks beautiful. However, because the surface adhesion of stainless steel is not very strong, the color of galvanized black zinc stainless steel screw is easy to decline. Screws after electrophoresis black processing mode, its surface has bright color, even though the unit price is more expensive than environmental protection black zinc. And the salt spray resistant time is longer than black zinc. The unit price of dacromet black screw is relatively moderate, mainly because of its long salt spray resistance time. Therefore, we generally recommend tha...