Eibenstock professional quality, low-cost coring machines in either Hand-Held or Rig Mounted. Ideal for wet or dry drilling of floors, walls, ceilings, and all concrete anchoring systems. Select from one of the following 7 CATEGORIES or view all coring drill products listed (in random order) below. Buy ANY coring machine and get an additional 25% OFF BITS! CALL (800) 618-5000.