... , plywood, hip board, density board, plastic film, etc.5.Hole shapes:Round, rectangular, square, triangle, hexagonal, diamond, lightly pull ... Specify the thickness of the sheet, length of perforated metal sheets, size and shape of the perforation patterns and other ... . 8.Specification: Special requirements are available.Plate MaterialThickness of Metal (mm)Hole Dia. (mm)Pitch (mm)Sheet Width (m)Sheet ...