Lays down the method of dimensioning bolts, screws, studs and nuts; includes common symbols and describes the features; in addition to terms in the official ISO languages English, French, and Russian it gives the equivalent terms in German, Italian and Spanish.
ISO 225:1983 history
2010ISO 225:2010 Fasteners - Bolts, screws, studs and nuts - Symbols and descriptions of dimensions
1983ISO 225:1983 Fasteners; Bolts, screws, studs and nuts; Symbols and designations of dimensions Trilingual edition