Round Hole Perforated Metal, the most popular type of McNICHOLS® Perforated Metal, is available in staggered and straight centers and various diameters, gauges, and sheet size options. This versatile hole type appears in a wide range of applications, from industrial to architectural designs. Materials include corrosion-resistant Aluminum, Galvanized Steel, Stainless Steel, and Plastic (PLASTIPERF™), as well as the largest selection of Carbon Steel Round Hole Perforated Metal in America. Round Hole Perforated Metal has compatible Accessories too! To complete your project or design, please select Accessories to view available products.