Rotational drill bits and drilling apparatuses including the same

摘要

A roof-bolt drill bit may include a bit body that is rotatable about a central axis and at least one cutting element mounted to the bit body. The at least one cutting element may include a cutting face, a cutting edge adjacent the cutting face, 5 a back surface opposite the cutting face, and at least one coupling feature positioned adjacent the at least one cutting element. The at least one cutting element may be secured to the bit body by the at least one coupling feature.