Coaxiality

Limits how far the axis of one cylinder may drift from the datum axis.

In the shop

Machine both diameters in one clamping, or between centers. Re-clamping between operations is the usual source of the error.

General shop guidance in our own words. The drawing and the standard it cites decide; verify on a sample part.

Related location tolerances

Concentricity · Position · Symmetry

Ask about your drawing

Tell the advisor the feature, the tolerance on the drawing and the material. It answers with machining choices, brand-neutral.

Sources

Definition written in our own words and checked against keyence.com. Symbol and term names follow ISO 1101; we do not reproduce standard text. See the full index.