1.Thichness:0.2mm-1mm 2.Length:1m-20m 3.Hole Diameter:0.8mm-10mm Hole Patterns including: Round; Rectangular hole; Square; Triangle; Diamond; Hexagonal; Cross; Slotted; and other patterns according to your drawings or application requirement. Galvanized Steel Perforated MetalHole DiameterStaggered CentersSheet ThicknessOpen Area3/32"2.38mm5/32"0.029-0.037", 0.046-0.056"0.74-0.94mm, 1.17-1.422mm33 ...