What surface treatment can black screw be done?

black screw can play a role in rust prevention and beauty, commonly used general screws commonly used black surface treatment has black, phosphated black, black zinc plating, electrophoresis black and so on! The antirust effect of different treatment methods, the beauty degree is different, the price will also have the difference.

Usually made of black screw are iron screws, because the iron screws themselves rust and corrosion resistance is poor, need to do surface treatment to increase its rust and corrosion resistance. Of course, stainless steel screws can also make black screw. Usually, the surface treatment of stainless steel black screw is high-temperature blackening, electrophoresis black, QPQ black or vacuum electroplating black, etc., and the cost is higher than that of iron screws.

No matter what kind of black screw you need, welcome to consult with Shi Shi Tong screw manufacturers, we will wholeheartedly serve you, provide the best price and quality!

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