08-25-2013, 08:30 PM
Something didn't sound right, but it took a few minutes (ok a hour or so) for me to remember. sheet metal bits are sold with 135 point angle, that and 50 cents might get you a cup of coffee (I don't drink it) But I can see that the pilot style drill like you have would work nicely.
oldgoaly, proud to be a member of MetalworkingFun Forum since Jun 2013.