It's a countersinking drill. Drill your hole and immediately countersink without changing bits.
Someone was just tired of changing bits 1000 times a day.
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It's a countersinking drill. Drill your hole and immediately countersink without changing bits.
Someone was just tired of changing bits 1000 times a day.
Does it actually travel down with the quill or is it stationary? It's obviously powered by the belts. My guess is it's a 2nd op quill and that one is either pops out slugs that have been cut but may leave hanging Chad, or it's simply a smaller deburrer than what's in the main quill.
The second head does not have a movable quil
Maybe they wanted a rough bit that they could apply side loads to without damaging the bushings in the main shaft. Having damaged bushings makes accuracy very difficult.
Also a Jacobs chuck isn't really meant to take side loads... guess how I know?