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Kennametal New flat bottom geometry for Kentip FS

Editor: Steffen Donath

Kennametal has expanded its replaceable drill offering for Kentip FS modular drill series with the new FEG insert for flat bottom hole applications.

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The FEG insert eliminates the need for drilling and end milling flat bottom holes.
The FEG insert eliminates the need for drilling and end milling flat bottom holes.
(Source: Kennametal)

Applicable in steel, cast iron, and stainless steels, the FEG insert eliminates end milling operations and completes a task in a single operation, saving time and tooling costs. Drilling flat-bottom holes is a challenge. So is drilling on inclined or curved surfaces, drilling into cross holes, drilling stacked plates, and drilling into cross holes, stacked plates and castings and other rough surfaces. Not anymore. Leveraging the success of its Kentip FS modular drill, Kennametal has developed a unique insert geometry (FEG) that streamlines many of these types of applications and simplifies the drilling of counterbores and pilot holes as well. The newest member of the Kentip FS family, the FEG insert eliminates the need for drilling and end milling flat bottom holes, instead completing the part in a single operation. Conceptually, the FEG geometry design is simple. It features a 180° cutting edge, and a conical center point, which acts as a pilot to provide exceptional hole position and straightness. Corner chamfers serve to protect the cutting edges and reduce exits burrs. Four margin lands provide stability when breaking into interrupted cuts and cross-holes. And Kennametal’s KCP15A grade uses a nano-structured AlTiN coating and fine grain carbide substrate, providing both toughness and wear resistance.

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