Technology
Nominal pitch diameter
Relative position of tolerance sections to zero
4HX
4H
4H
6H
6HX
6H
6G
6GX
6G
7G
7GX
7G
Pitch diameter tolerance section of the produced
thread within which a no go plug gauge can be
screwed into the produced thread
Pitch diameter tolerance section of the produced
thread within which a go plug gauge can be screwed
into the produced thread
Acceptable pitch diameter tolerance section of the
thread to be produced
Acceptable pitch diameter tolerance section of a tap
produced according to DIN EN norm
Acceptable pitch diameter tolerance section of a tap
produced according to internal standardization
Tolerance Levels
Schematic description of production tolerances applicable for metric internal thread –
in addition please also find below the specific tolerance fields for tap production.
8.4