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Your cart is empty.KEO 6-flute line of countersinks are companions to our single flute countersinks and our 3- and 4-flute center reamer line. As a rule, the more edges per revolution, the greater amount of material that may be removed. We have designed the 6-flute tools with staggered cutting edges. Solid carbide tools offer long tool life and faster cutting speeds than other substrates, but are more brittle and must be used with rigid toolholding systems. 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. 90 degree angle.
Manfred
2025-08-11 12:07:01
Very well made, nicely packaged.
Mark1234
2025-05-24 18:10:15
I used it on 11 gauge stainless steel, by the 4th hole it was trash. It did work good on the 4-5/32†holes. Being carbide I expected it to last longer. Very disappointing
Irvin Smith
2025-01-26 16:18:30
nice well made countersink, held up well on hardened steel.
Seth Schaffer
2024-11-24 15:18:35
I bought this specifically to countersink titanium parts I had lasercut. I needed to countersink 66 holes for flatheads. I bought a set of 6 cheap HSS countersinks and they dulled after the first one, and the parts were heating up a ton from the dull cutting friction as well. Then I got this carbide countersink, which is obviously way harder and more durable. All 66 holes were no problem, no significant slowdown or greater heat buildup on the last part. Worked great in admittedly much softer 6061 aluminum as well. I'm sure this tool will be fantastic to have any time I need to deburr small holes or countersink harder steels too.
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