ASSEMBLY FOR ADJUSTING PROTRUDED LENGTH OF CUTTING TOOL

摘要

The present invention provides an assembly to adjust an extended length of a cutting tool comprising: a body unit which has a body and a screw thread on the outer circumference of the body to be engaged with a female screw part inside a tool holder installed in the tool holder to be moved; and a transformation unit having a seating groove on the body, and an elastic member seated on the seating groove to support the end of a cutting tool inserted into the hollow part of the tool holder which is compressed and transformed by the end of the cutting tool when the cutting tool is pressed and fixated to the inner circumference of the hollow part.