The outside surfaces of a piece can be produced by many different tools and machine techniques, depending on the final use of the surface and the tolerance required.
This section covers the outside surfaces of a component and describes how each should be specified to make sure the producer knows exactly what is required.
How the surfaces on a part are produced should be left to the discretion of the precision machined products supplier, unless a specific type of finish is required. The method used by the supplier will be consistent with the quality and finish required.
Drawing #6 shows a typical machined component which includes many of the different types of surfaces to be discussed in this section.