MechanicalEngineering

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Why not dimension this .247±.001 or .248+0/-.002? This is standard practice for fits, but I don't know the reason behind it.

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Why not dimension this .247±.001 or .248+0/-.002? This is standard practice for fits, but I don't know the reason behind it.	168
Why not dimension this .246±.002? Or .248+0/-.004? For fits, this is standard practice. Why?	1