IT Grade

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IT Grade refers to the International Tolerance Grade of an industrial process. This grade identifies what tolerances a given process can produce for a given dimension.

The IT grade is calculated via the following formula:

where:

• T is the tolerance in microns [μm]
• D is the dimension in millimeters [mm]
• ITG is the IT Grade which is an integer.

The larger the ITG, the looser the tolerance.

This article about an engineering topic is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org../../../i/t/_/IT_Grade_320a.html"

Categories: Engineering stubs | Engineering

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