Patent ID: 6679657
Filing Date: 2004-01-20
Classification: B23B,Y10T

Abstract:
A tool for bore diameter work comprising:a pair of insert restraining faces, provided opposite each other at a tip portion of a shank and formed by an insert installation passageway with a slit extending side-by-side with the insert installation passageway, which is pressed by a clamping unit so that the pair of insert restraining faces move closer to each other, pressingly securing top and bottom faces of a throw-away insert, which directly contacts the pair of insert restraining faces, the throw-away insert comprising a substantially rod-like protrusion having a cutting-blade which projects to the tip side of the shank; the pair of insert restraining faces having an indented or projecting V-shape parallel to the longitudinal direction of the shank, and the top and bottom faces of the throw-away insert having a projecting or indented V-shape which can connect with the pair of insert restraining faces.