Invention Grant
US08714890B2 Cutter for drilling and reaming 有权
切割机用于钻孔和铰孔

Cutter for drilling and reaming
Abstract:
Embodiments of the disclosure provide a drill bit including a drill bit body having a central axis. A first cutting edge is disposed on the drill bit body at a first radial distance from the central axis as measured within a plane normal to the central axis. And a second cutting edge is disposed on the drill bit body at a second radial distance from the central axis as measured from within the plane. The first radial distance is less than the second radial distance.
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