... ,etc. Perforated metal thickness: 0.1mm to 25mm. Perforated metal hole shape: Round, square, long round ,triangle,scale,diamond ,oval ... 4000mm or long coil Perforated metal pattern: Many different hole patterns are available. We can design the pattern according ... to you are as follows: *Material *Hole shape *Diameter:the size of the hole *Hole pattern:staggered or straight *Pitch *Dimension:width ...