Hand tools are the workhorse of the industry. Every metrologist has a variety of hand tools in his toolbox. You’re sure to find one, two or several micrometers in that toolbox to accurately measure thickness, outer and inner diameters, as well as depth of slots.
Any article on dimensional measurement will usually get around to micrometers in one form or another. This series on bore measurement is no exception even though I am only offering a brief look at the application.
In the production environment, where tight tolerances are a way of life, it’s critical to think about gaging requirements before putting instruments out there and possibly having them not meet expectations.