TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

PITCH-DIAMETER TOLERANCE [3 records]

Record 1 2002-09-09

English

Subject field(s)
  • Metrology and Units of Measure
  • Joining Elements (Mechanical Components)
CONT

The complete designation of an ISO metric thread includes the basic designation [the 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. Each of these symbols consists of a number indicating the tolerance grade followed by a letter indicating the tolerance position. A dash separates the tolerance-class designation from the basic designation. When the pitch-diameter and crest-diameter tolerance symbols are identical, the symbol is given only once.... [Example :] M6 X 1-5g 6g.

OBS

tolerance grade: term standardized by ISO. Aerospace Rivets.

French

Domaine(s)
  • Unités de mesure et métrologie
  • Éléments d'assemblage (Composants mécaniques)
OBS

degré de précision : terme normalisé par l'ISO.

Spanish

Save record 1

Record 2 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

Save record 2

Record 3 1988-12-22

English

Subject field(s)
  • Joining Elements (Mechanical Components)
CONT

The complete designation of an ISO metric thread includes the basic designation [the 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. Each of these symbols consists of a number indicating the tolerance grade followed by a letter indicating the tolerance position. A dash separates the tolerance-class designation from the basic designation. When the pitch-diameter and crest-diameter tolerance symbols are identical, the symbol is given only once....(Example :] M6 X 1-5g 6g.

French

Domaine(s)
  • Éléments d'assemblage (Composants mécaniques)
OBS

La norme NF E03-013 constitue une vue d'ensemble des filetages métriques à filet triangulaire [...]. Il appartient à chaque branche d'industrie de choisir, par sélection, dans les filetages de cette norme, les séries pas-diamètres qui lui sont nécessaires.

OBS

Filetage NPT (Briggs) [...]. Filetage API [...]. Ces filetages ont un profil analogue, le même pas et la même conicité, mais des tolérances d'usinage différentes (sur la troncature et la conicité, par exemple). Dans la pratique, un filetage API SL remplace un filetage NPT, mais la réciproque ne convient pas, les tolérances étant plus larges.

Spanish

Save record 3

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