Modular End Mills


DUO-LOCK modular end mills fit a wide variety of toolholders and adapters, including the KM4X platform.


It is the only modular endmill solution able to compete at solid carbide levels, and outperforms its nearest modular competitor by more than two to one. DUO-LOCK reportedly handles 25% more torque than its closest competitor, permitting higher feedrates and axial depths of cut, especially in long reach conditions.



  • Z-axis coupling repeatability of 0.0004 in. or better
  • Tool to tool repeatability in the 0.002 in. range
  • radial runout at the coupling below 0.0002 in.
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