By Mike Lane From Centennial, CO Mar 30, 2008
| Bosch Annihilator. But try to find a 24V. version. If you are going to place a lot of bolts, eventually you will start running on 12V gel packs. It takes 2 to run a 24V. drill, 3 for a 36V. If you are only going to put 3-4 routes a year on hard stone, maybe look for a 36V Hilti. |  |