HOLE CUTTER TEST BLOCK

摘要

PURPOSE: A hole cutter for a test block is provided to rapidly remove chips inside a hollow by forming a slot hole and an auxiliary hole on the side of a tool part and increase the depth of a hole which is processed. CONSTITUTION: A hole cutter for a test block comprises a handle part(100) and a tool part(200). One end of the handle part is inserted into a spindle of a drilling machine. A cutting edge(250) is formed on one end of the tool part. The handle part is coupled with the other end of the tool part. A first screw part(110) is formed on the other end of the handle part. The tool part has a second screw part(210) which is coupled with the first screw part.