| 摘要 |
PROBLEM TO BE SOLVED: To provide a reamer capable of simply and accurately performing post-processing and finishing of a small diameter hole without requesting an operator's level of skill. SOLUTION: The reamer has a tapered part and one V-shape groove 11 carved along a generating line of the tapered part and a cutting blade 12 is formed by a boundary of the peripheral surface of the tapered part and the V-shaped groove. COPYRIGHT: (C)2008,JPO&INPIT
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