Disk screen for separating solid residues, provided with multiple parallel rotation shafts (3), each of which carrying, associated therewith, a plurality of disks (8) mounted spaced from each other in succession along the extension thereof. A plurality of sleeves (10) provided with a tubular body (11) are externally and idly mounted on the rotation shafts (3) between pairs of disks (8) in succession. The lateral faces of the aforesaid disks (8) have a central depression (12) of circular form, in which the annular shoulders (13) of each sleeve (10) are inserted, such shoulders fixed to the ends of the corresponding tubular body (11).