Systems and methods are involved with but are not limited to an apparatus including a shank portion including a first longitudinal axis, the shank being shaped and sized to couple with a rotary tool； and a bit head portion including a first end, a second end, and a cylindrical grinder portion extending therebetween, the shank portion extending from the first end, the cylindrical grinder portion cylindrically shaped about a second longitudinal axis aligned in common with the first longitudinal axis, the cylindrical grinder portion including an abrasive cylindrical surface circumferentially positioned thereon, the second end including an end grinder portion, the end grinder portion including an abrasive surface positioned thereon. In addition, other aspects are described in the claims, drawings, and text forming a part of the present disclosure.
