| 摘要 |
A cutting tool assembly has a tool longitudinal axis T defining front-to-rear direction and comprising a cutting-head threadingly secured to a tool shank. The cutting-head comprises a three-start, threaded head coupling portion having three head threads and the tool shank having a shank forward portion and comprises a three-start, threaded shank coupling portion having three shank threads. In the present invention, positioning repeatability, centering and coaxial alignment of the cutting tool assembly are provided by the threaded coupling of the cutting-head and the shank. |
