A micrometer is a hand tool device which is used to measure small and accurate distance or diameter and a calibrated screw is used along with this micrometer for the measurement purpose. The distance of an object which is to measured, is known by adjusting and rotating this calibrated screw. The measurement is taken by measuring the distance the screw has moved from the face of the micrometer.
There are three main types of micrometer.
Along with these main types of micrometer there are some specialized micrometers also, the list of these are as follows -
The parts of a micrometer are as follows -