Extensions for machine taps

Extensions for machine taps are suitable for taps in deep threads directly at interfering edges and devices on CNC machines and thread cutting devices. The special challenge is to achieve a high concentricity. The tap is held by a collet chuck. The clamping is carried out via a clamping screw with knurled surface. Furthermore, the torque is via square. The shank of the extension is manufactured according to DIN and enables the reception in standard quick-change inserts and thread cutting apparatus.


  • No taps with special length necessary
  • No changing times
  • Easy and safe handling
  • High flexibility

Extensions for machine taps

Machine tap extensions: Technical table for tap extensions

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