Stainless steel screws are also very strong. But their color is not colorful as aluminum screws.We offten offer black,silver and camouflange colors.Zinc-plated is ok for us. Our stainless steel screws often are made of 304 stainless steel material. If you need other kind of stainless steel screws, you could contact us as well. Different sizes, types and colors could be procvided. Customized CNC stainless steel parts could be offered as well. If you need special packing service including special package boxes, it is also ok for us. Any questions or demand, please feel free to contact us.