... ,304,410,316,Al,gl sheet Aperture:.5-500mm wire dia:0.5-10mm Use: filter, chair,machine parts ... steel sheets, galvanized sheets, plain steel plate, iron plate, brass /copper plate, aluminum plate, phosphor bronze plate, aluminum-plastic, nickel, ... .2. Hole Patterns :The holes of perforated hole mesh is Round , Rectangular hole , Square , Triangle , Diamond , Hexagonal , oval, Cross, Slotted, scale ...