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Improved productivity due to multi-insert toolholders. Partial Profile, standard or U-type inserts for a wide range of threads. Inserts with three cutting edges, reduces tooling costs. Low cutting resistance due to the single point inserts.

The D-Thread family of inserts and tool holders were originally developed in order to enable the cutting of threads in deep parts. The multi-insert holders allow for improved productivity.


  • A wide range of threads supported (60°-based and 55°-based)
  • Both standard and U-type inserts available
  • Each insert and tool holder can be used for external and internal threads