Perforated plates for sieving. Perforated plates with round holes for screens. Dimensions and tolerances.
Defines perforated plates with round holes. Applies to perforated plates with hole apertures from 1 to 125 mm for use in test screens. Designation example. Table of dimensions and tolerances. Materials, supply and marking. Clarifications on deviations from ISO 565. Includes the 1985 update sheet.
