11. Core drills used in metal are called annular cutters.12. Annular cutters use almost the same method as concrete core drills , but are for metal drilling. 13. Gimmy, along with Darry and Simon s Core Drill , become the new pilots of Gurren Lagann. 14. Core drill bits differ from reamers in the amount of material they are intended to remove.15. Lordgenome emerges victorious, until Simon uses his Core Drill to defeat him once and for all. 16. The chuck allows different types of core drill shafts ( shanks ) to fit in it. 17. A "'core drill "'is a drill specifically designed to remove a cylinder of material, much like a hole saw. 18. The bond materials welded diamond core drill bits usually are specially adjusted to fit the wet and dry drillings respectively. 19. Among other instruments, the rover will also carry a sub-surface core drill to pull up samples for its on-board laboratory. 20. An annular cutter or core drill removes the material from the metal to create cylindrical holes in a circular cross section.
