Tool holder

A tool holder for use with a machine tool, the holder comprising a head, a cutter, a clamp member and a first screw, the head including a first shoulder portion, the first shoulder portion having bed surface, the cutter having a first flat, a second flat, a cutting edge, and a first opening formed through the first and second flats, the first and second flats in spaced parallel relation to each other, a first aperture formed through the bed surface, the aperture having an internal shoulder, an upper portion and a lower portion, the upper and lower portions separated by the internal shoulder, the lower portion being tapped, the first screw having a head and shank, the shank including an external shoulder, a top portion and a threaded bottom portion, the external shoulder positioned between the top portion and bottom portion, the clamp member having a face and a first hole formed therethrough, the second flat of the cutter in superposed relation to the bed surface, the first opening of the cutter in axial alignment with the first aperture formed in the bed surface, the face of the clamp member in superposed relation to the first flat of the cutter and the first hole of the clamp member in axial alignment with the first opening in the cutter, the head of the screw in superposed, abutting relation with the clamp member adjacent the hole thereof and the shank of the screw positioned within the first hole of the clamp member, the first opening of the cutter and the first aperture of the first shoulder portion with the top portion of the shank slip engaged with the upper portion of the aperture, the bottom portion of the shank threaded into the lower portion of the first aperture and the external shoulder of the shank in superposed relation to the internal shoulder of the first aperture.