How Is Perforated Metal Made?
Perforated metal is a kind of sheet metal that has had a pattern of holes drilled or stamped into it by a machine. It’s also called perforated board, perforated plate, or perforated screen, and it’s made out of stainless steel, cold-rolled steel, aluminium, and other materials. The method of manually or mechanically stamping or punching a pattern of holes, slots, or decorative shapes is known as perforation. The method has been in use for over 150 years. Metal displays were [...]