scotty86d

how many times can they be loosened off and re torqued?

sailorbob

In theory, infinitely providing they haven't been stretched beyond their yield point or have damaged threads. That said, I vaguely remember something I read a long time ago about tuners not using them more than 5 times because of thread wear but that may have been only referring to the nuts.

Red16

before you fit them you take a measurement of them and record it, then when you take them out you re-measure them, and providing they are still within the specified tolerance they can be re-used.