Patent Number: 6,168,355

Title: End-mill tool with multiple cutting edges

Abstract: The present invention provides an end-mill tool which includes a shank, a point, and a main body portion located intermediate the shank and the point. A first flute is formed on the main body portion along a first helix. A second flute is formed on the main body portion along a second helix. The first and second flutes preferably extend helically along the body of the tool. Two distinct helical cutting surfaces are defined by the first flute and the second flute. The point of the tool includes two additional cutting edges formed by ears extending outward from the point of the tool adjacent the first flute and the second flute.

Inventors: Wardell; Lon J. (Saginaw, MI)

Assignee:

International Classification: B23C 5/10 (20060101); B23B 051/00 ()

Expiration Date: 01/02/2018