Do helicoils work for threads already tapped out to 5/16"? I've never used helicoils before.
For example, would these work?
https://nzsafetyblackwoods.co.nz/product...-20-457154
For example, would these work?
https://nzsafetyblackwoods.co.nz/product...-20-457154
Cheers, Geoffrey