| http://www.w3.org/ns/prov#value | - In one embodiment of the invention, the cutters comprise PDC cutters having a diamond table supported on a tungsten carbide or other substrate as known in the art, wherein the longitudinal axes of the cutters are oriented substantially transverse to the orientation of the longitudinally leading surface or edge of at least some, and preferably all, of the secondary gage pads.
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