Grade Info

General Information:
BrandWalter
Grade StatusOld Version
Substrate ClassSemi Hard
Coat TypePVD
Post TreatY

OLD GRADE NOTICE!

WKK25 is an older generation grade that is no longer recomended by Walter
The recomended modern alternative is :WKK25S
The data below is the data for WKK25S However, It should be fairly accurate also for WKK25

From Walter's website:



Application Range for WKK25S (WKK25)

Watch the Video:
"How to use the Carbide Grades Information"
and get the most out of this page!


Equivalent Grades for WKK25S (WKK25)

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 echo


Cutting Speed recommendations for WKK25S (WKK25)

How to use our Cutting Speeds Recommendations


  • Pay attention that your desired unit (SFM or m/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
    SPEEDS AND FEEDS CALCULATOR

Unit Selector:

SFM m/min
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