1.thickness:0.5 mm - 25mm; 2.Aperture :3 mm - 10 mm ; 3 ... rolled coil ,aluminum copper plate and so on . 2.Categories: pattern perforated metal, forming punching net,heavy ... hole, diamond hole, round hole, slotted holes, hexagonal hole, the hole, triangle hole, long waist hole ,the plum blossom hole, the scales hole, design hole,horoscope nets, herringbone hole, pentagram hole, irregular hole ...