| 摘要 |
<p>An end mill includes a shank, a pull rod having a first end connected to a front end of the shank, and a second end connected to an end mill head. The end mill head has a centering surface engageable with a centering surface formed on either the pull rod or shank. The end mill head includes a radially extending abutment surface engageable with a radial abutment surface formed on the shank.</p> |
