Originally Posted by
SquireBlack
Hence, they must indeed be 14mm holes. I'm at the office now, but I think that the marking on the back of the crank does indeed say 14 x 125.
There you go. Glad that you verified this
Originally Posted by
SquireBlack
I'm not sure how much difference it all makes, though. I still need to drill before I can tap.
I have never needed to pre-drill when retapping French pedal threads It appears that your taps are tapered at the ends so you should have only a tiny bit of challenge getting them to engage the existing threads. Have you checked to confirm that you are using the right tap for the right crank (and the left for the left)?
As I suggested before, run your taps through the back side of the cranks.