Rotary cutting tool having multiple helical cutting edges...

Details Rotary cutting tool having multiple helical cutting edges... Rotary cutting tool having multiple helical cutting edges...

2006-12-26

2006-12-26

Howell, Daniel W. (Department: 3722)

Cutters, for shaping

Rotary cutting tool

Face or end mill

C407S060000

Reexamination Certificate

active

07153067

ABSTRACT:
A rotary cutting tool is disclosed including a substantially cylindrical main body having a shank portion at one end and a point at an opposite end. Five flutes are formed in an outer surface of the main body. Each of the flutes extends continuously from the point to the shank portion, and defines a helical cutting edge having a helix angle between about 32 degrees and approximately 34 degrees with respect to an axis of the main body. At least 2 of the flutes define helical cutting edges having different helix angles.

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