ADJUSTABLE DRILL with mechanical fastening indexable inserts

摘要

A kind of drill bit of regulating, it comprises: the drill main body with longitudinal axis, this drill main body comprises working face and longitudinal groove, wherein said working face comprises the aperture that extends in the described drill main body and contiguous described aperture and the guiding parts that extends towards the edge of described drill main body, and described longitudinal groove extends from described working face along at least a portion of described drill main body; The chuck of contiguous described working face, it can optionally slide along described guiding parts, and comprises that slit and cutting face along described guiding parts, wherein said cutting face comprise the insert groove at the edge that is positioned to contiguous described drill main body; Securing member, its pass described slit to the described aperture so that described chuck is releasably attached to described drill main body; And releasably be attached at blade in the described insert groove.