| 摘要 |
PROBLEM TO BE SOLVED: To provide an end mill which can divide swarf even when the end mill is used in finish processing.SOLUTION: An end mill is formed with outer peripheral cutting edges extending in an axial direction in an outer periphery of a tip of an end mill body that is rotated about an axis. At least a part of at least one of the outer peripheral cutting edges is subjected to honing, and has a part that is changed so that a honing amount of the honing is increased and then decreased or decreased and then increased toward a rear end side in the axial direction. |
