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Kennametal SEFAS Chamfering Inserts

SEFAS™ Combination Drilling System

Primary Application
Combines centering, drilling, and chamfering into a single operation, increasing productivity by reducing cycle time and number of tool changes.
These productivity gains can be achieved by still using standard solid carbide or KenTIP™ drills.
The system provides full through coolant capabilities

Features and Benefits

  • Reduce the number of tool changes and your cycle time by combining drilling and countersinking into one operation.
  • Achieve highest metal removal rates by applying a HP-style drill.
  • Reduce your inventory and avoid reconditioning by using KenTIP blades.
  • Easily change tool within the machine by applying KenTIP.


  • Any style of standard HP drill can be used, achieving highest metal removal rates.
  • Use TX drills to achieve excellent hole quality and tool life in non-ferrous materials.
  • For increased accuracy and tool life, use the Kennametal hydraulic chuck recommended for cylindrical tool shanks.
  • Benefit from various insert styles for use in most workpiece materials.
  • Length variations available as engineered solutions.

Click through to the products to see videos of them in action, and also find their related matching tools.

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  1. SEFAS Chamfering Inserts for KenTIP and KSEM Drills

    Product Code Angle S W1  
    3.42807R021 KC7015 » 45.00 3.98 12.00
    3.42807R021 KC7315 » 45.00 3.98 12.00
    3.42807R021 KMF » 45.00 3.98 12.00
    SEFAS Chamfering Inserts for KenTIP and KSEM Drills

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