Crocodilian Mouth Perforated Metal Sheet 1,high quality,competitive price 2,with sales experience ... Perforated Metal Sheet Metal material: iron, stainless steel, copper, aluminum, galvanized zinc. Nonmetal board: plywood, fiberboard, dense board and rubber board. ... a variety of holes, shapes and designs. perforated metal sheet Hole DiameterStaggered CentersSheet ThicknessOpen Area0.045"1.14mm0.066«0 ...