Had a project, put it off. Only cost me 100 in broken taps, now I’m good.
Spot the hole. Drill with cobalt, 45 sfm, .003 chip load. Peck depth 90% of drill diameter, full retract .
Form tap starting around 15 sfm. Coolant ok, put some Blazer Blaso-TAP on the tap.
Yes it works, even for 6-32 š
Bobby in the Shop 