Internal Measuring Tools

Starrett precision hand tools have been the standard for high quality dimensional measuring tools since 1880.

Internal measuring tools. Find inside diameter measurement gages at msc industrial supply serving the metalworking safety and mro industries for over 75 years. An inch was the width of a man s thumb a hand was literally meant five fingers across a span was the length of an outstretched arm and the yard in the 12th century was the distance from king henry i s nose to the thumb of his. People in ancient times used the different parts of their bodies to size things up. Try to step back in time and imagine a world without measurement tools.

105 products found clear filters. One arm has a pointed end and the other holds a pencil. A compass is a measuring tool with a hinged set of arms. Most people have only used this tool to draw circles but it can also be used for measuring angles.

Electronic and mechanical inside micrometers measure internal dimensions like internal diameters in 1 increments to 0 0001 accuracy and 50 millionths 0 00005 resolution. Micrometers when accuracy greater than or equal to 0 001 is required the micrometer is usually the tool for the job. Electronic three points internal micrometer 12 inside bore gage micrometer 2 inside groove micrometer 4. We carry calipers micrometers steel rules wigglers edge finders center gages screw pitch gages and more.

A protractor is also a type of compass but it has only 180 degrees whereas a compass a 360 degrees rotation.