Stainless steel perforated plate aperture can be small

Most of the holes on Stainless steel perforated plate are produced by CNC punching machine. The minimum aperture of Stainless steel perforated plate produced by CNC punching machine in our factory is 0.6mm, and the minimum aperture of Stainless steel perforated plate produced by etching process is 0.2mm.
Stainless steel perforated plate aperture is according to the thickness of the Stainless steel perforated plate, Stainless steel perforated plate plate thickness shall not be greater than the pore size, this is what we said the principle of small hole.