MEASURING INSTRUMENTS

MICROMETER

A micrometer, often referred to as an outside micrometer, is a precision measuring instrument used to measure dimensions with high accuracy. It consists of a C-shaped frame, an anvil, and a spindle with a calibrated screw mechanism. When the thimble on the end of the spindle is rotated, the spindle moves relative to the anvil, allowing the measurem...

MEASURING INSTRUMENTS

3-POINT MICROMETER

A 3-point micrometer, also known as a three-point bore micrometer or three-point internal micrometer, is a specialized measuring instrument used to accurately measure the inside diameter of holes or bores. Unlike traditional two-point micrometers which use anvils that contact opposite sides of the hole, a 3-point micrometer uses three contact point...