Tool for removing screws with damaged heads

A tool for extracting screws with damaged screw heads of the type with a symmetrical center recess defining circumferentially spaced recess extensions having a major diameter at the top of the screw head alternating with circumferentially spaced resistive sections having a minor diameter, said screw heads being susceptible to damage of the resistive sections, said tool having an axis of rotation and comprising:

• a central section having a plurality of flat longitudinal surfaces adapted to be engaged by a drill chuck,
• a left-hand recess-forming section at one end of the central section, the recess-forming section having a forming distal end with a first drilling portion arranged to make a cylindrical drilled hole with a diameter intermediate the major and minor diameters into said resistive sections and a second flaring portion curving away from the axis of rotation so as to form the resistive sections into a flared shape, and
• a screw-removing section at the other end of the central section, the screw-removing section having a tapered portion extending from a proximal end toward a distal end and being, formed with left hand threads on the exterior of the tapered portion, the tapered portion being arranged such that the tapered portion threads will engage the flared walls of the resistive sections as the tool is inserted into and rotated counterclockwise about the axis of rotation within the recess.