Various techniques related to a connecting rod used for an internal combustion engine have been proposed. For example, a connecting rod described in Japanese Unexamined Patent Publication No. 2007-247705 is provided with a main body portion of which one end portion is provided with a piston pin and a cap that is fixed to the other end portion of the main body portion with a pair of bolts. The cap is provided with a pair of bolt through-holes into which the pair of bolts is inserted, respectively. The main body portion is provided with a pair of female screw holes positioned to be respectively coaxial with the pair of bolt through-holes. The female screw holes may be formed as blind holes. The main body portion may be provided with a through-hole, through which the female screw holes formed as the blind holes and the outside of the main body portion communicate with each other, in order to discharge chips.