A rotary cutting tool with a longitudinal axis is provided that includes ashank portion, a cutting portion, and a plurality of chip-breaking features.The cutting portion, which extends out from the shank portion, includes alength, a plurality of blades and a plurality of flutes. The blades and flutesextend substantially all of the length of the cutting portion. Each bladeincludes a leading face side, a trailing face side, and a land surface thatextends between the leading face side and the trailing face side. Theplurality of chip-breaking features are disposed in the land surfaces of theblades, and non- uniformly distributed among the blades.
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