Wasn't meant to be an insult. Just what I was thinking after reading your
and nothing to back it up.....
How do you know if it's working if you don't calibrate it? Sure, it works as
a breaker bar, but how accurate is it at measuring torque? If you don't care
about accuracy, why bother with a torque wrench?
Your type of wrench is called a *Beam*. They are more forgiving than most
other types, but forcing it past it's intended range will ruin it,
permanently. It will look like it still works, but you can't trust the
Bottom line--a torque wrench is an instrument for taking measurements and
should be used only for that.
As long as that one's never been used as a breaker bar too (even once).
I guess you could clamp the square drive end in a vice so the wrench is
hang a weight that you trust (there's that word again) from the pivot point in
and see if the dial reads where it should. Try a few different weights to check
various points on the scale.
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