Abstract: An adjustable drill is provided comprising a drill body having a face surface with a directional feature provided therewith. At least one cartridge is selectively mounted adjacent the face surface and selectively slidable along the directional feature to provide adjustment. At least one insert is releasably affixed in an insert pocket provided in the cartridge. In further examples, the adjustable drill may have a central cutting system in combination with the adjustable cartridge type system, wherein the central cutting system may be modular. There may also be provided a modular type of holder arrangement to provide flexibility to adapt the system for various applications.

Abstract: An adjustable drill comprising a drill body having a longitudinal axis, comprising a face surface comprising an aperture extending into the drill body; a directional feature adjacent the aperture extending toward an edge of the drill body; a longitudinal gullet extending from the face surface along at least a portion of the drill body; a cartridge adjacent the face surface and selectively slidable along the directional feature comprising a slot along the directional feature; and a cutting face comprising an insert pocket positioned adjacent the edge of the drill body; a fastener through the slot into the aperture releasably affixing the cartridge to the drill body; and an insert releasably affixed in the insert pocket.

Abstract: An adjustable drill comprising a drill body having a longitudinal axis, comprising a face surface comprising an aperture extending into the drill body; a directional feature adjacent the aperture extending toward an edge of the drill body; a longitudinal gullet extending from the face surface along at least a portion of the drill body; a cartridge adjacent the face surface and selectively slidable along the directional feature comprising a slot along the directional feature; and a cutting face comprising an insert pocket positioned adjacent the edge of the drill body; a fastener through the slot into the aperture releasably affixing the cartridge to the drill body; and an insert releasably affixed in the insert pocket.