Perforated metal mesh are made by punching machines. Perforated metal is one of the most versatile products on the market today. Widely used in the architectural, engineering, building, agricultural, nuclear power, food processing, and petrochemical industries. It can be made in a range of round, square, slotted or decorative patterns. The round hole perforation is the most popular type of perforated pattern used and is manufactured in coils or sheets. We have a full and comprehensive finishing service.