... wire mesh Hole diameter:0.55-100mm, Board thickness:0.2-15mm, ISO9001:2000 Material for our perforated sheet , 1)metal material :iron ... ,triangle,protruding(fish scale),rhombus,hexagon,vertical crossing,plum blossom and leaf ,etc. Hole specifications: Hole diameter:0.55-100mm, ... can be punched 12mm thickness boards),we can also design and manufacture varieties of ounching hole meshes according to the ...