BT tool holder / Morse taper / quick-change
The tool holder HF/HD/Spezial with length compensation on tension and
compression has been designed for the production of large threads
(M45-M76) at a maximum coolant pressure of 50 bar. Unlike the well-known
tool holders of the HF series, the HF/HD/Spezial design comes without an
overload clutch and is consequently of a rather compact size. The adaptation
of threading tools is done with quick-change adapters type HE/IKZZ.