Patent ID: 8734068

Claim:
A cutting tool having a shaft with a longitudinal axis, the cutting tool comprising: a first flute extending about the longitudinal shaft along a helix angle and a first land adjacent to the first flute and extending about the longitudinal axis of the shaft along the helix angle, wherein the first land has a first margin; a first cutting edge adjacent the first flute; a second flute extending about the longitudinal shaft along a helix angle and a second land adjacent to the second flute and extending about the longitudinal axis of the shaft along the helix angle, wherein the second land has a second margin; a second cutting edge adjacent the second flute; a third flute extending about the longitudinal shaft along a helix angle and a third land adjacent to the third flute and extending about the longitudinal axis of the shaft along the helix angle, wherein the third land has a third margin; a third cutting edge adjacent the third flute; wherein the first cutting edge, the second cutting edge and the third cutting edge are unequally angularly spaced from each other; wherein the first margin, the second margin and the third margin have unequal peripheral dimensions; and a cutting point positioned adjacent a forward end of the shaft and at an axial center of the shaft, wherein the first cutting edge, the second cutting edge and the third cutting edge all originate at the cutting point.