I'm biased toward better skill vs. better tools approach to things. A torque wrench is not the magic answer that many believe. You still need to use hand skill, good judgement, and situational awareness to properly fasten hardware without stripping. By extension, properly using a torque wrench requires it's own skill set to produce reliable result.
First of all, unless stated otherwise, torque specs are usually for dry fasteners. However, we usually lubricate threads, so one needs to use a conversion chart to convert the dry torque spec, to one corresponding to the lube you're using. Failure to to this and lower torque accordingly means your using the tool to over torque and potentially strip the threads.
Also, I've watched people use torque wrenches and many use poor technique, trying to come to torque by degrees. Because the assumption is that you'll bring the bolt to torque in one pass, the spec is based on sliding friction. If you stop short of the spec, the higher static friction will make it impossible to add a bit more torque accurately (if at all). To understand this effect, torque any bolt to close to spec, noting the torque where you stopped. Then try to continue and you'll see the tool read more than 10% higher before it moves.
So, I won't say torque wrenches are pointless, just that they will be if not used correctly.
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FB
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Last edited by FBinNY; 08-20-24 at 01:46 PM.