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Purpose Section

The purpose of this procedure is to provide general instructions for the calibration of hole micrometers.

Another Sample Section (Procedure)

The Hole Micrometer is a series of precision tools designed to accurately measure the inside diameter of holes from 0.080 to 0.280 inches. The probe end of the tool is designed to assure accuracy of measurement over the entire range. The probe movement fixes one side of the probe and allows the other half of the probe to move parallel to the stationary side. With this design and the leaf-spring mechanism, these tools provide an accurate measurement of small hole diameter.

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