General Information for Grade KCK20

Grade StatusActive - Complementary
Main ApplicationsTurning / Grooving
Substrate ClassHard
Coat TypeCVD
Post TreatY

From Kennametal's website:

Composition: A specially toughened MTCVD TICN-Al2O3 coating over a wear-resistant substrate. Application: Specifi cally engineered to maximise coating adhesion and edge strength making this grade ideal in wet interrupted cutting of grey and ductile irons. It can be used in a wide range of applications from fi nishing to roughing to maximise productivity wherever strength and reliability are needed.

Application Range for KCK20

* If you don't understand the below table? Read This Explanation to make the most out of it!

Equivalent Grades for KCK20

The most compatible grade from each brand!

A higher score (Up to 100%) means the grades are more compatible. A lower score or a particular grade not listed does not mean it is not a good grade. It means that its physical and mechanical properties are less close to KCK20

Cutting Speed recommendations for KCK20

How to use our Cutting Speeds Recommendations

  • Pay attention that your desired unit (SFM or mm/min) is selected!
  • Speeds are given for stable conditions of Machine, Tool, and workpiece.
  • An empty cell means the grade is not available for the combination of material and application.
  • For more specific Cutting Speeds Recommendations use our advanced

Unit Selector:

SFM mm/min
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