... holes per sq.in Ga. Steel,33% open. Quick Delivery & customers'label Round hole perforated metal is one of the most popular ... type because of its inherent strength, its multitude of varied open areas and attractive appearance. Variations include 45 degree staggered, and ... your order,please tell us the below information, Material,hole shape,pitch,open ,hole sizes. Any questions,let us know freely , it ...