Dimensioning, ContinuedCounterboredCounterbored holes (CBORE) are holes of different depths that shareholesconcentric centers. There is no angularity in the larger bore. Dimensioncounterbored holes as two concentric diameters and a depth. Where thethickness of the remaining material has significance, dimension the thicknessrather than the depth of the hole.Figure 3-32 illustrates counterbored dimensioning.Figure 3-32.—Counterbore dimensions.Continued on next page3-36
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