Perforated mesh This feature makes perforated mesh popular for making of rigid filter discs, cylinders, filter element support metal pipe and perforated test sieves. Material:  Stainless steel 304/304L/316/316L/321/310, aluminum, brass or alloy. Hole style: Round/square or custom. Hole Pattern: The hole are arranged in straight line or stagger line Mesh Opening: 0.6mm--10mm Pitch: 1mm--30mm Perforated Plate thickness: 0.34mm--5mm Features: Anti-corrosive, anti-abrasive, long-lasting life span, easy application, economical, etc. Application: Perforated metal discs can be used as filters or test sieves. We also supply perforated metal cylinders or tubes to support the filter media. It can be processed into the forms of tube, cylinder, sheet and conical as filter mesh, filter cartridge, cylinder or filters for filtration in petroleum, chemical, oil cooler, food and pharmacy.