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Makita A-99661 3-Piece Countersink Set with Hex Wrench

Drill the pilot hole and countersink in one easy operation—each pilot bit is adjustable for length.
Item #
56599
Rating:
94% of 100
(6)

Each of the bits in the Makita 3-Piece Countersink Drill Bit Set (A-99661) drills a pilot hole, countersinks and counterbores in one easy operation. Each has a drill bit that can be adjusted to the desired drilling depth. The 1/4'' hex shanks fit most impact drivers and drill/drivers. Set includes #6, #8 and #10 countersinks plus a hex wrench.


Features:

  • Drills pilot hole, countersinks and counterbores in one easy operation
  • Drill bit can be adjusted to the desired drilling depth
  • 1/4'' hex shank fits most impact drivers and drill/drivers
  • Pilot hole for screw prevents wood from splitting
  • Produces clean holes in hard and soft wood
  • Tapered drill bit for superior speed and a perfect fit
  • Four-cutter countersink design for a clean finish
  • Set screw allows easy drill bit replacement
  • Includes #6, #8, and #10 countersinks plus a hex wrench
(1) #6 (9/64'') Hex-shank countersink bit
(1) #8 (11/64'') Hex-shank countersink bit
(1) #10 (3/16'') Hex-shank countersink bit
(1) Hex key
More Information
Brand Makita
Manufacturer Part Number A-99661
Weight 0.2000
Tech Spec
  • Countersinks Included: #6, #8 and #10
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4.7 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
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Works great. Better than a previous, more expensive set I had before.
February 7, 2020
Purchased
 6 months ago
Woodworking Experience:
Intermediate
Screw Countersink Bit set
Nice countersink set from Makita. They adjust for both drill bit length and countersink depth. Clean, accurate holes every time. Including the metric Allen wrench was a nice touch. I recommend these.
November 16, 2019
Purchased
 8 months ago
Woodworking Experience:
Intermediate
Nice product with a good performance.
July 30, 2019
Purchased
 11 months ago
Great stuff
Well built, sharp works great. It would be nice if it came with a case!
July 14, 2018
Purchased
 over 2 years ago
They work just as they should. Very pleased.
December 18, 2019
Purchased
 7 months ago
Woodworking Experience:
Intermediate
Works as expected and leaves a pretty clean countersink cut.
December 25, 2018
Purchased
 1 year ago
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Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 2 questions Browse 2 questions and 23 answers
Why did you choose this?
Rockler Store
It was what I have been looking for
Tyler M on Jul 1, 2020
So my pilot holes would be more accurate.
Domingo S on Jun 19, 2020
It was what I have been looking for
Tyler M on Jul 1, 2020
For better quality & accuracy.
Steven H on Jun 27, 2020
So my pilot holes would be more accurate.
Domingo S on Jun 19, 2020
I am working on a project in which this tool will make things easier, and the countersink bit will be a great addition to my workshop. Of course, I am pleased with Makita products, and own a number of their power tools, so I know their workmanship is good.
Katie A on May 29, 2020
Need a new set of countersink bits. If they are as good as some of the reviews, I will be happy. I'll see how they are when I get them and write a review.
Paul N on May 4, 2020
Pilot drilling for cut nails.
EDWARD H on Jan 6, 2020
need for project. good selection of products & <br />ease of ordering
Barry M on Dec 19, 2019
Because I can’t be a real woodworker without them
J.T. F on Nov 30, 2019
used these for last 25 + years and lost them in the recent move
Patrick R on Nov 12, 2019
Replacement for worn out set
Richard B on Jun 15, 2019
I have a big restoration project
David Howton A on Mar 30, 2019
because ordering and check out was easy, went to a few of my other supplers and too much information was wanted, even when I bought from them many times, they don't need to know that stuff just to sell me an item,too time consuming.
Robert B on Mar 30, 2019
It was exactly what I needed and price was right
Jim S on Mar 11, 2019
Makita name and hex design
Robert O on Jan 11, 2019
Replacements, hard to find in big stores
Bruce F on Dec 27, 2018
Need these and are hard to find
B LeRoy T on Dec 23, 2018
Not available locally.
Fred H on Nov 4, 2018
I bought this set before and love it need this set to send for a friend!
Calvert A on Sep 11, 2018
I need them for the pediatric chair that I make.
William R on Jun 8, 2018
Have to have it.
Philippe D on May 16, 2018
For better quality & accuracy.
Steven H on Jun 27, 2020
I am working on a project in which this tool will make things easier, and the countersink bit will be a great addition to my workshop. Of course, I am pleased with Makita products, and own a number of their power tools, so I know their workmanship is good.
Katie A on May 29, 2020
Are these tapered?
Edward H on Jan 5, 2020
BEST ANSWER: Yes they are
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