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Indexable Milling - Kennametal FIRST CHOICE Program English Metric Page 110



Mill 4 Double-Sided Shoulder Milling

Features and Benefits

Primary Application

The Mill 4 Series is specially engineered to achieve excellent performance in surface quality as well as higher material removal rates in shoulder milling applications. Its unique design enables multiple passes (stepping down) with outstanding results. Mill 4 is applicable in a wide range of workpiece materials: steel, cast iron, stainless steel, and titanium, from roughing to finishing operations. Double-sided strong insert with 4 cutting edges. High positive geometry for lower cutting forces. Superior wall and surface finish capabilities. "Stepless" solution. No mismatch when machining walls in different steps.

N P M S P M K S P K Geometry Strengthening Finishing Capabilities/Cutting Forces Improved

Geometries suitable for almost all material groups in shoulder milling applications.


For non-ferrous materials.


First choice for stainless steel. Lower cutting forces.


First Choice for Mill 4, especially when machining steels.


First choice for cast iron. Strongest cutting edge. Ground + Pressed

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