Multi-function boring tool used for producing holes of different diameters, has adjusting mechanisms with adjusting sleeve extending from free end of tool case to boring-tool fixing portion, for adjusting cutting diameter of blades

摘要

The adjusting mechanisms (6-8,14-16) comprise an adjusting sleeve (5) extending from the free end (3) of a tool case (2) to a fixing portion (1) for fixing the boring tool to a machine tool, for adjusting the cutting diameter of the blades (4).