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This standard specifies the characteristic of the MJB metric series of buttress screw threads based on 7 degrees/45 degrees form, with width of truncation same as MJ screw thread profile, and with a controlled radiused root in the external thread. This standard establishes the basic triangular profile for the MJB thread form, the design profiles, standard pitches, tolerance classes, formulae for tolerances and dimensions, tolerance tables, and a system of designations.

Product Details

Published:

11/08/2012

File Size:

1 file , 6.1 MB