| 摘要 |
A chuck for a tool with an inner cooling medium supply has a clamp holder having a cooling medium supply passage, a clamping nut anchorable in the clamp holder, and a ring-shaped sealing meter which is carried by the clamping nut and abuts against a clamped tool, the clamping nut having an outer concentric recess which surrounds the inserted tool and is formed so that the sealing member is exchangeably insertable from outside into the recess.
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