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No Need For Those Half Dimensions (#250)

(In accordance with the ASME Y14.5-2009 standard)

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The last Tip brought comments of concern because the drawing does not include "half" dimensions for 20 and 60 dimensions. Since the 60 is basic, adding a 30 would not change the meaning. The pattern of holes is implied centered on the datum center plane and there is a "zero" basic implied dimension. The 20 wide slot on these drawings is directly …

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Back to Tips Tip added Nov 2010