GOST 21939-1976
Die sleeves of chucks for thread cutting on lathes. Design and dimensions

Standard No.

GOST 21939-1976

Release Date

1976

Published By

RU-GOST R

Latest

GOST 21939-1976

Scope

This standard applies to bushings for dies for chucks for threading on lathes

GOST 21939-1976 Referenced Document

• GOST 24643-1981 Basic norms of interchangeability. Tolerances of form and position of surfaces. Numerical values*， 1981-04-19 Update
• GOST 9740-1971 Circular screw dies. Specifications

GOST 21939-1976 history

• 1976 GOST 21939-1976 Die sleeves of chucks for thread cutting on lathes. Design and dimensions