| 摘要 |
The tip having a basic form of parallelogram that is detachably mounted by a clamp screw 4 on a tip mounting face 2a of a holder 2, characterized in that two or more concave grooves 6 are formed like parallel stripes on the tip mounting face 2a of the holder 2, and two or more convex lines 7 are formed on its own abdominal face to be fitted in the concave grooves 6, in which the insert is clamped by the clamp screw 4 in a state where its own convex lines 7 are fitted in the concave grooves 6 on the tip mounting face 2a. <IMAGE> |
