... 0.2-10mm Round,Rectangular hole,Square,Triangle,Diamond, Hexagon perforated plate Sizes: Opening diameter from 0.2mm to 20mm, thickness ... plate, aluminum plate Used: widely used in the core of filter, medicine, filtering, breeding, battery, mechanical protecting, making the crafts, ... according to the requests of the customersXinzheng can offer perforated metal with various patterns mainly standard ...