... Centre: 6mm Size: 5' x 5' We can supply perforated sheet which can be custom punched to precise specifications in ... sizes and shapes. Material: Mild Steel, Stainless steel, Galvanized, Aluminum, Brass, Copper.Weave and feature: punching and etching , the ... material thickness. Your special requirements can be available. Application: Our Perforated Sheets can be used as Grills, Guards, Filters, Screens, ...