FAQ

What is the Major Diameter of Internal Thread?
The Major Diameter of Internal Thread is defined as the sum of minor diameter of the internal thread and 1.25 times the value of the height of the fundamental triangle. Major Diameter of Internal Thread is usually measured using the Millimeter for Length. Note that the value of Major Diameter of Internal Thread is always positive.
Can the Major Diameter of Internal Thread be negative?
No, the Major Diameter of Internal Thread, measured in Length cannot be negative.
What unit is used to measure Major Diameter of Internal Thread?
Major Diameter of Internal Thread is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Major Diameter of Internal Thread can be measured.
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