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Drill Bit "O" Size

Item #
20074
Rating:
86% of 100

Use this precision-ground twist drill bit to bore perfectly sized holes in pen-turning blanks. For use with pen or pencil kits that call for an "O"-size hole.

(1) Drill Bit "O" Size
More Information
Weight 0.0700
Tech Spec
  • Made from high-quality high-speed steel (HSS)
  • Made in the USA.
4.3 / 5.0
3 Reviews
5 Stars
4 Stars
3 Stars
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1 Star
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Needed for Summit Pencil kit
The bit is great wish it was brad point and wish kit needed the same bit as Summit pen but understand it is all about money.
July 13, 2018
Purchased
1 year ago
Woodworking Experience:
Beginner
Works like a charm.
February 26, 2018
Purchased
1 year ago
Woodworking Experience:
Beginner
bit is ok
Wish bit was brad point for more accurate drilling
August 16, 2014
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Browse 2 questions Browse 2 questions and 1 answer
Why did you choose this?
Rockler Store
need it
kevin p on Sep 27, 2016
needed for summit pencil kit
Kathleen D on Apr 29, 2016
need it
kevin p on Sep 27, 2016
Needed for Summit pen kits. Tried 8mm but it did not feel right.
Noel R on Aug 26, 2016
needed for summit pencil kit
Kathleen D on Apr 29, 2016
Needed for cascade pen
Jim F on Apr 3, 2016
need one
Scott B on Apr 3, 2016
To do my pens.
L E on Aug 21, 2015
The size that I needed for a turning project.
John M on Jul 3, 2015
Needed for Summit pen kits. Tried 8mm but it did not feel right.
Noel R on Aug 26, 2016
Needed for cascade pen
Jim F on Apr 3, 2016
What is the actual diameter of this drill bit (inches/mm)?
GEORGE C on Sep 12, 2018
BEST ANSWER: This bit is 0.316 inch or 8.0264 mm
Can I use this bit for the 1/4 inch pin I bought for plantation louvered shutters? Norm Abrams says I need size B.
frank d on Jun 29, 2016
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