... :20%--51% perforated metal Material: Aluminum plate, carbon plate, stainless steel plate, aluminum - magnesium alloy plate, Cooper wire plate, nickel plate.Processing and pattern: Perforation to the ... , square, round, triangular, hexagonal, blossom, or according to customer needs. Plate MaterialThickness of Metal (mm)Hole Dia. (mm)Pitch (mm)Sheet ...