
- KEO 53510 Cobalt Steel Single-End Countersink, TiN Coated, 82 Degree Point Angle, Round Shank, 1/4" Shank Diameter, 5/16" Body D
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From $14.87 (New)

From $14.87 (New)

| Latest | $14.87 Apr 6, '16 |
| Highest | $26.55 Jan 29, '16 |
| Lowest | $14.16 Dec 1, '14 |
| Average | $14.87 (30d avg) $17.26 (90d avg) $16.07 (180d avg) $15.65 (365d avg) $15.32 (Lifetime average) |
| Added | Dec 1, 2014 |
| Last Seen | |
| Highest | $16.88 Sep 4, '15 |
| Lowest | $14.16 Dec 1, '14 |
| Average | $14.86 (180d avg) $15.51 (365d avg) $15.11 (Lifetime average) |
| Added | Dec 1, 2014 |
30 day average: 64,954
90 day average: 84,706
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. Titanium nitride coatings add a hard layer of gold-colored ceramic to the surface that extends tool life and permits faster cutting speeds than uncoated tools. 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.