Outer Diameter Symbol ⌀ OD Meaning and Engineering Guide
The outer diameter symbol is usually shown with the standard diameter sign ⌀ or a conventional diameter character such as Ø, while OD explicitly tells the reader that the measurement is the outside diameter. In engineering, that distinction matters for pipes, tubes, shafts, bearings, holes, fittings, and cylindrical parts. A diameter sign identifies a diameter;…
