Clamping nut for inside cooled tool, has washer inserted into nut to avoid uncontrolled discharge of cooling agent between nut and tool and passage channel that leads from interior of nut to front side of washer

摘要

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.