Yet another use for TTS toolholders. I have many TTS toolholders for use on my Tormach PCNC mill and manual Rockwell mill. I also use TTS on my 8” rotary table. Now I have TTS working on my lathe. Shown is a TTS drill chuck mounted in a ¾” 5C collet in a KDK bar on a KDK QCTP.