What is typically measured with a micrometer in mechanical applications?

A micrometer is a precision measuring instrument widely used in mechanical applications to measure small dimensions with high accuracy. In this context, the typical measurement made with a micrometer pertains to the thickness of materials.

Micrometers are designed to measure material thickness down to a thousandth of a millimeter, making them ideal for applications where precision is crucial, such as in the manufacturing of thin materials or coatings. They feature a calibrated screw that moves the measuring spindle, allowing for fine adjustments and accurate readings on small-scale measurements.

While measuring the length of shafts, diameter of holes, and high-stress bolts can also be important in mechanical applications, these measurements are often performed using tools like calipers or gauges that can handle larger dimensions or different geometries. Therefore, the specific role of a micrometer aligns most closely with measuring thickness, which highlights its unique capability for precision in small-scale dimensions.