English edit

Etymology edit

drill +‎ head

Noun edit

drillhead (plural drillheads)

  1. The head of a drill.
    • 2006, Department of Mining Engineering, Proceedings: 35th International Conference on Ground Control in Mining, volume 25, West Virginia University, page 162:
      The drillhead produces the drilling rotation and torque but also must slide out of position to allow the machine to manipulate the finisher drill steel and consumables.