Rotary tool and method for manufacturing machined product

Abstract

A rotary tool includes a holder, a cutting insert, and a screw. The holder extends from a front end toward a rear end along a rotation axis, and includes a pocket. The cutting insert is located in the pocket. The pocket includes a seating surface and a screw hole. The seating surface faces toward a front side in a rotation direction of the rotation axis. The screw hole extends from the seating surface toward a rear side in the rotation direction, and is configured to fix the screw. The holder further includes a connecting hole connecting to the screw hole. The connecting hole includes an opening that opens into an outer surface of the holder, and a connecting part connecting to the screw hole. The opening is located on a more rear side in the rotation direction than the connecting part.

Dependencies are inferred from the claim text.