KEO 55258 Cobalt Steel Machine Single-End Countersink, Uncoated (Bright) Finish, 4 Flutes, 82 Degree Point Angle, Round Shank, 1/2" Shank Diameter, 7/8" Body Diameter

★★★★★ 4.1 20 reviews

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Management number 211276303 Release Date 2026/04/04 List Price $36.00 Model Number 211276303
Category

KEO 4-flute center countersinks are versatile tools designed for countersinking holes for centers or for enlarging existing holes. 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.

  • 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
Model 55258
Brand Name KEO Cutters
Shank Type round
Unit Count 1.0 Count
Finish Types Uncoated
Manufacturer KEO Cutters
Material Type Cobalt Steel
Tool Flute Type Spiral
Cutting Diameter 0.88 Inches
Number of Flutes 4
Cutting Angle String 82 Degrees
Surface Recommendation Metals,Stainless Steel,Steel

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