| 摘要 |
PROBLEM TO BE SOLVED: To provide a chamfering tool capable of easily chamfering an outer surface side end edge of a working pipe. SOLUTION: This chamfering tool has a conical recessed dent part 1, more than one of window parts 3 to discharge cutting chips to a peripheral wall part 2 forming this conical recessed dent part 1 and a cutting blade 4 provided on a side edge of this window part 3. It also has a rotating torque adding grip part 5 to grip by a hand.
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