Originally Posted by
Chuck M
+1 on the pilot hole to give the LH bit a bite. If I've reading this right, you have drilled the head off the bolt so there should be an indention from that process to drill into.
Yes. The remaining stud is coned, so the center is apparent.
The smallest LH bit I have is 1/8”. Is the suggestion to use an even smaller bit (like 1/16”) for a pilot. I only have that in RH, but it should serve as a fine pilot hole.