... :0.2-10mm Round,Rectangular hole,Square,Triangle,Diamond, Hexagon perforated plate Sizes: Opening diameter from 0.2mm to 20mm, thickness ... .2mm to 10mmMaterials: stainless steel wire, iron plate, copper plate, aluminum plate Used: widely used in the core of filter, medicine ... done according to the requests of the customersXinzheng can offer perforated metal with various patterns mainly standard ...