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KEO 53512 Cobalt Steel Single-End Countersink, Uncoated (Bright) Finish, 82 Degree Point Angle, Round Shank, 5/16" Shank Diameter, 1/2" Body Diameter

  • Based on 472 reviews
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Availability: In Stock.
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Arrives Sunday, Sep 21
Order within 14 hours and 55 minutes
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Features

  • Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys
  • Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications
  • Round shanks allow use with a wide variety of toolholding systems
  • When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
  • 82 degree angle

Description

KEO ZErO flute countersink and deburring tools are simple, all-purpose tools made of Cobalt that provide flawless countersinking and deburring. The chatter-free cutting action requires minimal power. The microsmooth CNC precision ground construction produces clean, smooth cutting without smearing on a variety of materials. The tool especially excels in countersinking or deburring holes in aluminum, plastics and other nonmetallics. Cobalt steel tools are similar to high-speed steel, but with more cobalt for improved performance when cutting harder metals such as stainless steel or nickel alloys. Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Round shanks allow use with a wide variety of toolholding systems. When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging. 82 degree angle.


Is Discontinued By Manufacturer ‏ : ‎ No


Product Dimensions ‏ : ‎ 3 x 0.5 x 0.5 inches; 0.8 Ounces


Item model number ‏ : ‎ 53512


Date First Available ‏ : ‎ November 9, 2004


Manufacturer ‏ : ‎ KEO Cutters


Country of Origin ‏ : ‎ USA


Best Sellers Rank: #11,574 in Industrial & Scientific (See Top 100 in Industrial & Scientific) #2 in Single End Countersinks


#2 in Single End Countersinks:


Customer Reviews: 4.7 out of 5 stars 472 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Sep 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Wow. Beautiful
I have used this in plywood and hardwood (walnut) so far. It makes gorgeous, clean countersinks in pre-drilled holes. I literally said "Wow" out loud to nobody the first time I used it in plywood. I am never going back to those awful multi-fluted countersink bits that leave torn-up jagged edges!
Reviewed in the United States on October 27, 2022 by dysee

  • Quality tool but shavings do not clear easily.
This tool works great. It cut nice and clean on walnut. It is well made and looks the part. My only minor gripe is that the shavings always end up in the hole in the middle. After a few holes I have to use something to push them out.
Reviewed in the United States on September 27, 2022 by Thomas Gifford

  • I should have gotten one of these things a long time ago
For countersinking holes in wood or some metals, this thing is amazing! Butter smooth operation and really nice clean great looking bevels. WAY BETTER than those countersink bits with like 5-6 blades which always end up bouncing around and making some kinda ugly hexagon shaped hole, this thing makes perfectly round holes/bevels. It is a little pricey for a simple tool but it does an amazing job. ... show more
Reviewed in the United States on October 6, 2022 by G. Parker

  • Great countersync for threaded inserts
I bought this to counter sink the holes I was drilling for threaded inserts. When I first opened it, I wasn't expecting much, but it did great against red oak. Would purchase again.
Reviewed in the United States on September 18, 2022 by Serge

  • If You Work With Aluminum, This Is What You Want
The single flute design keeps it from hopping all over the place like multi-flute versions. This makes for an excellent finish with no chatter marks. Just buy it.
Reviewed in the United States on September 21, 2022 by superchargerjim

  • Not bad
Not bad
Reviewed in the United States on October 1, 2022 by AbdulAziz

  • Perfect results every time
This thing is SUCH a joy to use! I've never used a countersink which produces such perfectly smooth, clean and precise results in wood and plastic, every time. Why didn't i buy one of these sooner?!
Reviewed in the United States on June 20, 2022 by JdoubleH

  • So convenient and effective
I bought this to counter sink screws in a diy closet cabinet build, and I love this thing. I was skeptical of the design at first, but this thing works better than any other countersink I own. Even in situations where I use a different countersink, I give a light pass over the hole with this one to smooth it out or remove burrs. I will never again not own one of these. ... show more
Reviewed in the United States on April 15, 2022 by Benjamin Guidry

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