Perforated/Punched Metal (1)Materials:steel plate. (2)hole size:0.1-100mm (3)thickness:0.2-25mm (4)ISO9001-2000 perforated Perforated/Punched MetalSheet metal hole punch/perforated metal mesh Material: Low Carbon Steel Plate, Stainless Steel Plate, Aluminium Plate, Alloy Plate, etc. Hole shape: Long hole, square hole, round hole, hexagonal hole, scale hole, stretching and other special-shaped ...