| 摘要 |
An insert-indexable tool includes: a holder; a head member having an insert mount seat clamping an insert having a cutting edge, and mounted on a distal portion of the holder, wherein the head member includes a first jaw having a clamping face and a second jaw having a base face, the clamping face and the base face opposing each other to constitute the insert mount seat, a clamping screw having a shaft portion and a pressing portion is disposed in the distal portion of the holder so the clamping screw is inclined with respect to the extending direction of the insert mount seat and extends gradually toward an inside of the holder while extending from the first jaw toward the second jaw, the holder is provided with a threaded hole engageable with the shaft portion of the clamping screw, the first jaw is provided with a spot facing accommodating the pressing portion of the clamping screw, and a center axis of the spot facing and an axis of threaded hole obliquely intersect each other.
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