Patent ID: 8230952

Claim:
An earth-boring tool, comprising: a bit body including a distal portion comprising a diameter and a proximal portion of lesser lateral extent than the diameter; a shank having a distal portion of a lateral extent equal to the lateral extent of the proximal portion of the bit body, the distal portion of the shank and the proximal portion of the bit body being coupled, and the shank including a thread connection at a proximal end thereof for connecting to a drill string; a sleeve structure longitudinally abutting the distal portion of the bit body and extending over the proximal portion of the bit body and at least part of the distal portion of the shank, the sleeve structure comprising a plurality of gage pads extending thereover circumferentially separated by junk slots in alignment with junk slots of the distal portion of the bit body; and two diametrically opposed breaker flats positioned in radially outer surfaces of gage pads of the sleeve structure, each breaker flat comprising portions of two circumferentially adjacent gage pads of the sleeve.