| 摘要 |
<p>The nut has a cylindrical retainer shaft and a sealing washer (14) aligned in a diameter of a tool. The washer is inserted into the nut in order to avoid uncontrolled discharge of cooling agent between the nut and the tool. A passage channel (18) is provided in the washer and leads from an interior of the nut to a front side of the washer. A retaining section is provided at the end of the channel.</p> |
