thewayneiac: In another major blooper, Ramiel's drill is turning the wrong way throughout the episode. It shouldn't be able to pierce anything.
Xard: I always thought something about it looked wrong...
Mr. Tines: The tip isn't threaded at all; it would have to just brute force abrade. The sort-of-thread on the side could equally well be channels conveying debris.
thewayneiac: The tip isn't even physical; it's some sort of A.T. Field. At the episode's climax it shuts off.
ath: Well, it's Gainax we're talking about. Their "drills" are known to Go Beyond the Impossible and Kick Reason to the Curb, so...
