Discussion
A drift is used for :
Answer: C
A drift is used for removing the drill from the machine spindle.
A taper-shank drill or sleeve is held in the spindle's Morse taper by friction. The drift is a flat, tapered steel wedge pushed through the slot in the spindle so that it bears on the tang and forces the taper shank out.
Marking drill locations is done with a scriber and centre punch. Removing a broken drill from work needs an extractor or other method. A chuck is fitted on its arbor by pressing the tapers together, not with a drift.
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