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Metric Thread and Gauge Profile

elation of tolerance osition bet een scre thread classes and thread au e classes instandard■Internal threads and Limit gauges for internal threads
Example : ISO M10×1.5/6H
Gauge for Pitch Dia. of internal threadGauge for Minor Dia. of Intenal Thread
Tolerance zoneTolerance zone

■ for Pitch Dia, of for Minor Dia. of

internal thread internal thread

Go Not Go Pitch diameter tolerance and Minor diameter tolerance of internal thread Tolerance of screw plug gauge and plug gauge Minimum wear

*Relation between tolerance zone of internal thread and that of limit gauges for internal thread is shown : *Pitch diameter of internal thread is virtual pitch diameter. *Pitch diameter of screw plug gauge is simple pitch diameter.

Clearance

Basic Profile

Basic Pitch Dia. of internal thread 9.026mm

Note : The allowance and tolerance should be described as 1/2 scale but is simply described in the size of actual diameter. Basic Minor Dia. of internal thread 8.376mm