Patent ID: 8480338

Claim:
An adjustable drill comprising: a drill body having a rotational axis, comprising: at least two top face surfaces comprising: a directional feature formed in association with the at least two top face surfaces, and the at least two top face surfaces are angled obliquely away from a plane perpendicular to the rotational axis; at least one cartridge adjacent each top face surface and having a mating surface to mate with the directional feature, with at least one of the cartridges being slidable along the directional feature and comprising: a slot having an axis along the directional feature; and a cutting face comprising at least one insert pocket positioned adjacent the top edge of the cartridge; a fastening system for releasably affixing the cartridges to the two top face surfaces; and at least one cutting insert releasably affixed in the insert pocket, wherein the at least one insert in each of the at least two cartridges form an entire hole in a workpiece, and the at least one slidable cartridge is infinitely adjustable to adjust the diameter of the hole.