MILL 4-15™ Indexable Shoulder Milling by Kennametal

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Excellent surface quality and higher metal removal rates

The unique design allows to the application of the tool in multiple passes, called “step down”.

Most tools leave tool marks with every pass they take, resulting in unsatisfactory or low-quality wall finishes. This usually requires another finishing pass at the very end of the process.

Mill 4-15 eliminates that finishing pass with an additional tool, saving time and money.

Mill 4-15 series SGE-R geometry

The SGE-R geometry adds to the capabilities of the Mill 4-15 series, enabling ramping operations and helical interpolation.

SGE-R geometry

SGE-R geometry featuring a redial clearance to support chip formation in ramping operations.

SGE-R geometry with strong edge preparation for ramping and helical interpolation.

SGE-R geometry with strong edge preparation for ramping and helical interpolation.

Double sided insert with 4 strong cutting edges per insert.

Double-sided insert 4 strong cutting edges per insert.

90° shoulder milling with excellent wall and surface finish capabilities.

90-degree shoulder milling with excellent wall and surface finish capabilities.

Applicable in steel, cast iron, stainless steel, non-ferrous materials, and high-temperature alloys. For roughing and finishing.

Applicable in steel, cast iron, stainless steel, non-ferrous materials, and high-temperature alloys.

Ramp Angle Application Recommendation

This content was originally  published on the  Kennametal website.

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