K Notch

The machining stability of cutting tools is a very important issue when machining hard-to cut materials used for aircraft, medical devices and precision machining parts. Specifically, machining hard-to-cut materials requires not only high-quality surface finish and dimensions accuracy, but also decent cutting life.

K Notch holders feature the 3-face clamping design for high rigidity. The clamping force increases with the tightening force for clamp screws. They can minimize chattering even under heavy cutting load, providing long and stable machining life.

K Notch inserts ensure high quality cutting edges with outstanding edge preparation. The mirror-like insert surface provides stronger resistance to welding and chipping for improved surface finish of workpieces.

KORLOY’s K Notch offers a single holder type which can be easily clamped to a wide range of cutting edge widths so that it provides higher convenience to its users.


  • Extended tool life compared to the existing tools
    – Ensuring long tool life
  • Strong clamping system
    – High-rigidity clamping
    – Minimized chattering
  • A simple tooling system
    – A single holder type compatible with various inserts
    – Convenient clamping using clamp screws
  • Advanced edge preparation technology applied
    – Cutting edges in uniform quality
    – Excellent resistance to welding and chipping

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