TERMIUM Plus®

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ISO metric thread [1 record]

Record 1 1994-05-30

English

Subject field(s)
  • Joining Elements (Mechanical Components)
  • Aeronautical Engineering and Maintenance
CONT

The complete designation of an ISO metric thread includes the basic designation [letter M followed by the nominal size in millimeters and the pitch] followed by the specification for tolerance class. The tolerance class designation includes the symbol for the pitch-diameter tolerance followed by the symbol for the crest-diameter tolerance. ... A dash separates the tolerance-class designation from the basic designation. ... [EX.:] M6 X 1 - 5g6g.

CONT

Fig. 3. ISO metric internal and external thread design profiles.

OBS

ISO profile metric thread: term standardized by ISO.

French

Domaine(s)
  • Éléments d'assemblage (Composants mécaniques)
  • Aérotechnique et maintenance
CONT

Filetages profil ISO. (filetages métriques à filet triangulaire, remplaçant le profil SI) suivant normes NF E03-001 et 013 (février 1959). [...] Se substituent à l'ancien profil SI [...]

OBS

Le système de filetage le plus couramment utilisé est le profil métrique ISO (International Organization for Standardization), constitué par un triangle équilatéral dont le côté est égal au pas.

OBS

filetage métrique à profil ISO : terme normalisé par l'ISO.

Spanish

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