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Purpose Section

This general procedure shall be used in the absence of any specific calibration procedure for groove micrometers.

Another Sample Section (Procedure)

The Groove Micrometer is a precision tool designed for measuring grooves, recesses and shoulders located inside bores to a high degree of accuracy. The tool is capable of measuring four different types of measurements: outside measurement, inside measurement, edge-to-edge measurement, and with the locating disk, end to edge measurement. The disc thickness must be added to the micrometer reading for certain applications. The locating disk is lapped to minimize parallax and to provide tool accuracy.

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