ASME B1.21M:1997(R2018)

Podrobné informace

Označení: ASME B1.21M:1997(R2018)

Datum vydání: 20.04.1997

Stran: 68

Země: Americká technická norma

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Anotace

This Standard establishes the basic triangular profile for the MJ thread form; provides a system of designations; lists the standard series of diameter/pitch combinations for diameters from 1.6 to 200 mm; and specifies limiting dimensions and tolerances. It specifies the characteristics of the MJ metric series of threads having a minimum 0.15011P radius at the root of the external thread, and also having the minor diameter of the external and internal threads increased above the ASME B1.13M-Metric Screw Threads: M Profile thread form to accommodate the external thread root radius. See more
Reaffirmed: 2018