| 摘要 |
<p>ID tag (27) is fitted to the bottom face (31) of hollow (17) of tool holder (11) with hollow taper shank. In particular, circular recessed portion (33) is formed on the bottom face (31) of the hollow (17), and the ID tag (27) of cylindrical column configuration is fixed by means of an adhesive, etc. in the formed recessed portion (33). The center of the circular recessed portion (33) is caused to agree with the rotational central axis of the tool holder (11).</p> |
