| 摘要 |
A hole cutting tool of the type operable to produce a circular hole by cutting only the circumferential areas thereof, comprising removable cutting inserts which are received in a cutting head of the tool and are engageable with a workpiece to produce a desired hole. A cooperative wedge-like relation between the inserts and wedge elements of the tool secures the inserts in slots in the cutting head and permits use of the tool in reduced sizes.
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