Endmill and cutting method

摘要

An endmill having a shank (1) and a milling head (6) having cutting teeth continuous from a peripheral surface toward a forward tip face, wherein the endmill has a through hole (10) extending from the forward tip face of the head (6) to the shank (1) past the head (6) along a rotation axis of the endmill. The head (6) and shank (1) comprise separate component parts and the head (6) is mounted on the shank (1) by inserting a screw member (13) from the tip end face into the hole (10) and fixing the screw member (13) to the shank (1).