(30-12-17, 10:23 AM)stu1318 link Wrote: Yes got part of a boltĀ so do I measure that??measure the dia of the stud pref with calipers but you should be able to see size with decent rule. prob 8mm or 10mm, your pitch is distance between teeth
helicoil drill sizes here:
https://www.thorintl.com/Drill-Sizes-Hel...tric.shtml