What do you mean by the zero error of a screw gauge? How is it accounted for?
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What do you mean by zero error of screw gauge and how is it accounted for?
Zero error is caused by wear and tear of the screw, nut, spindle and / or the anvil. When the spindle is closed so that the face of the spindle touches the anvil, the scales should read exactly 0.00mm.
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