- Tapered drill w/widened flutes for drilling fast, clean pilot holes
- Adjustable 4-cutter counterbore cuts & clears chips quicker for fast, smooth countersinking
- Counterbore attaches to flats on shank w/2 hex screws for a secure fit
- Adjustable for controlled pilot hole depth
- 1/4″ quick-change shank reduces slipping in standard chucks
- Compatible w/all 1/4″ quick-change chucks, including impact drills
8 screw size.
11/64″ bit dia.
4″L
1/4″ quick-change shank.
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