60 Degree Round Hole Perforated Metal Perforated metal mesh is also called perforated sheet or punched metal plate. It is a little similar with expanded metal mesh, but not same. Perforated metal mesh is also called perforated sheet or punched metal plate. It is a little similar with expanded metal mesh, but not same. AISN Perforated Metal Mesh can be offered with various hole shape, and we can recommend suitable hole size according to your request on hole shape and open area. punched metal plate Applications: Architectural screen Filters Guard grills Heavy mining machinery Metal ceilings Agricultural separation