The Micrometer - 2: The Parts of the Micrometer
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WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.
It will be important to memorize the parts of the micrometer so that the remainder of this topic makes sense (and other topics too).

As shown, there are some differences in design and nomenclature between micrometers brands.

It is common to hear a sleeve called a barrel and it is also common to see two different types of lock nuts.

The micrometer below does not have a ratchet screw as does the micrometer on the right.

The micometer is often called a "mic" which is pronounced "mike"
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label: micrometer, history, anvil, thimble, spindle, frame, barrel, ratchet, adjustment, holding, handling, reading, vernier