Patent ID: 7513721

Claim:
A tool for deburring holes, comprising a basic body with a clamping shank, a spring arm without a cutting element, and at least one lip holder elastically movable relative to the clamping shank, the lip holder having at least one cutting element which projects radially with respect to the rotation axis of the tool and having at least one lip which, when viewed in cross-section through a plane perpendicular to the rotation axis of the tool, comprises a leading edge oriented at a negative rake angle relative to a radial line extending from the rotation axis of the tool, a trailing edge, and a lateral surface extending between the leading and trailing edges, wherein the lateral surface is located at a constant radial distance from the outer surface of the lip holder, wherein the lip holder and the spring arm are spaced apart from one another by a slot extending through the basic body and running in a direction of a longitudinal axis of the clamping shank, and wherein the tool is made entirely of carbide.