This article will teach you how to use a dial bore gauge.

A dial or vernier bore gauge measures a bore directly.

A bore gauge is a convenient term for the measuring or transfer tools that are used in the process of accurately measuring holes.

Some vendors who resell a different measuring instrument, bore gauge, muddy the waters by referring to them as snap gages, unlike the manufacturer who uses the correct nomenclature.

Shot shells are described by the size and number of the pellets within, and numbered in reverse order (the smaller the number, the bigger the pellet size, similar to bore gauge).

How to Use a Dial Bore Gauge You'd like to learn how to use a dial bore gauge so you can measure the inside diameter of a pipe.