... , mine screen, screen machine.2.Features1)Rugged, handsome and generous.2)high precision, small error and good quality.3)he same thickness at the ... aperture3.specification1)It is punched, sieve-plate thickness is generally 5-10mm;2 ... with round hole, square hole, diamond hole, elliptical hole, hexagonal holes and so on.5)Can be punched less than 1.25 ...