What surface treatment can black screws be done?

Black screws 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 screws 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 screws. Usually, the surface treatment of stainless steel black screws 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 screws 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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