Description
#4 countersink wood drill bit, tapered drill with widened flutes for drilling fast, clean pilot holes & ensures tight fit for screws, adjustable 4 cutter counter bore cuts & clears chips quicker for fast, smooth countersinking, counter bore attaches to flats on shank with 2 hex screws for a secure fit & can be adjusted for controlled pilot hole depth, 1/4″ quick-change shank reduces slipping in standard chucks & is compatible with all 1/4″ quick change chucks, including impact drills.
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