... .40mm, 1.60mm, 1.70mm, 2.00mm, 2.36mm, 2.50mm, 2.80mm, 3.35mm, 4.00mm, 4.75mm b. Perforated Plate Sieves (Square ... as Φ200mm and Φ300mm.Aperture sizes are as per 4.00mm, 4.75mm, 5.00mm, 5.60mm, 6.30mm, 6.70mm, 7.10mm, 8 ... .00mm, 9.50mm, 10.0mm, 11.2mm, 12.5mm, 13.2mm, ...