Finish all over (F.A.O.)

A designation that a forgingThe process of working metal to a desired shape by impact or pressure in hammers, forging machines (upsetters), presses, rolls, and related forming equipment. must have sufficient size over the dimensions given on the drawing(1) A forging operation in which the cross section of forging stock is reduced and the stock lengthened between flat or simple contour dies. See also Fullering. (2) in heat treating, the same as tempering. so that all surfaces may be machined in order to obtain the dimensions shown on the drawing. The amount of additional stockThe material to be forged regardless of form. Also, an individual piece of metal used to produce a single forging. necessary for machining allowanceSee Finish allowance. depends on the size and shape of the part, and is agreed on by the vendor and the user.