Runs okay on stainless at 8000 rpm. Just don't use the air hose near it 😂
Discussion
You’re braver than I. Hopefully it’s a shallow hole
It's shallow but the intersect of the three operations at an angle, not intruding into the others with the drill point, and deburring the tiny cap it leaves at that junction, is the bigger bitch, especially with a part that isn't cut in half for my keychain. 
That’s some fancy pretengineering going on with that part