90.20 Standard under periodical review Jul 15, 2026
ISO
ISO/TC 213 Dimensional and geometrical product specifications and verification
International Standard
17.040.20 Properties of surfaces
ISO 12781-2:2011 specifies the complete specification operator for flatness of complete integral features only, i.e. geometrical characteristics of individual features of type plane.
PUBLISHED
ISO 12781-2:2011
90.20
Standard under periodical review
Jul 15, 2026