The type of bore gage required will vary depending on the measurement job at hand, as well as on the preference of the user. Dial bore gages are often an excellent choice when needing to conduct a highly precise measurement of a bore. The biggest benefit of the dial bore gage is that it does not require the transferring of the measurement to another tool (micrometer or caliper), but rather has a built in mechanism so that a bore can be measured directly. In general, dial bore gages are both highly accurate and highly fast. Additionally, a dial bore gage comes in handy if the user needs to assess a bore for wearing or tapering that could impact the roundness and symmetry of the bore. Dial bore gages come with a very high resolution, usually reaching an accuracy of 1/100 of a millimeter or 5/10,000 of an inch.
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