Quote from GTS:
I actually tried this with an ordinary electric drill and its not easy/fast. There is a large amount of metal in the hard drive case, presumably to act as a heat sink so its pretty tough on the drill bit to drill through.
I found it much easier to remove the screws on the drive, open the case and then go to town on the platters directly.
i've tried this too. with decent drill and bit,designed to drill through the metal it does take <30 sec.open HD and either scratch platters or drill through them will also work, but takes a bit more time

