ResearchDirector: Drill your own cutter off, and then teleport.
You could keep that arm immobile enough to qualify for drill-based severing, but it would take an unknown number of seconds. Furthermore, composition C-4 is detonated primarily by shockwave effect rather than electrification, radiation, or other triggers, and an industrial drill working in immediate proximity might prematurely detonate it. A loud beep reminds your cold, calculating brain to coldly calculate faster.