DEVICE FOR HOLDING A TOOL

摘要

A device (1) for holding a tool (3) has a cavity (2) for the tool (3) and at least two channels (6) designed to allow the passage of a lubricant, each channel having an inlet opening (7) and an outlet opening (8) for the lubricant. The at least two channels (6) have a cross-section which increases in size from the inlet opening (7) to the outlet opening (8) and run helically around the bore (2).