Black Stainless Steel Screws, Shi Shi Tong Screw Factory
Where can I make black stainless steel screws? What surface treatment is used for black stainless steel screws? Is there a manufacturer in Shenzhen China that can make black stainless steel screws?
Stainless steel can be made into black. Generally stainless steel screws do not need to do surface plating, because its own rust resistance is very good, unlike iron need to do surface treatment to increase its anti-rust performance. What process can be used if stainless steel screws are to be made into black?
Black stainless steel screws generally have three processes to make black. One is the plating of black zinc, but this process has a defect on the surface of stainless steel, that is, the color of the surface is easy to fall off, black adhesion is not strong, but this price is relatively cheap. In addition to electroplating black zinc, also can be made electrophoretic black stainless steel screws, not easy to fall off, black effect is very good, but more expensive. Also can make stainless steel high temperature black screw, the color is a bit black gray, not very black kind.
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