Can the stainless steel do black oxide ?

Q：Can the stainless steel do black oxide ?

Answer: Yes, The black oxide for stainless steel is through oxidation reaction which can be with formed with tightness black protective film. The oxidation film is with the thickness 1.5-2.5 micron which will not affect the precision, not include the heavy metal, be with bright black color, be with high adhesive force.