Throughout the intricate tapestry of metalworking, certain terminologies anchor the craft in both tradition and modernity. Among…
Outside diameter
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**Outside diameter**
The outside diameter (OD) refers to the total diameter measurement of a circular object or component, taken from the outermost edge across to the opposite outer edge. This term is commonly used in engineering, manufacturing, and design contexts to specify the external size of pipes, tubes, bearings, gears, and other cylindrical parts. Accurately knowing the outside diameter is essential for fitting, assembly, and compatibility with other components.