Reply by Nubsnstubs

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Posted on Pilot hole + countersink bit for #8 screws--am I crazy?

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1732 posts in 2614 days

#1 posted 08-15-2017 10:36 PM

If you are using a 2” screw, set you counter sink at 2” . If you’re using 1 1/4”, set it at 1 1/4”. That’s the way it’s designed to be used. It sounds like you are setting the countersink at the top of the bit instead of for the size of the screw your drilling for. Set properly, the taper allows the screw to get a bite, the straight portion allows for a through hole, and the countersink allows the screw head to be flush or hide below any surface you’re screwing into.

  • Drill, countersink and counterbore in one step *

That’s from the description in the second link you posted….............. Jerry (in Tucson)

-- Jerry (in Tucson)

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