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What is a torque wrench calibration tool?

Over the past year, I’ve been learning to work on my truck. When I was talking to a friend who’s a professional mechanic, he told me to calibrate my torque wrench every so often. What is a torque wrench calibration tool? Should I buy one?

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Rachel Rigolino · Updated on
Reviewed by Shannon Martin, Licensed Insurance Agent.
Congratulations on learning how to do your own repairs and maintenance. A torque wrench calibration tool is something most DIY mechanics don’t own. Why? Because a torque wrench calibration tool is expensive—often costing over $1,000—and seldom used.
Your friend is correct in noting that you should calibrate your torque wrench, but if you’re not working with it every day as a professional mechanic does, you won’t need to calibrate it more than maybe once a year at most.
If you do determine the calibration in your torque wrench is not what it should be, consider sending it out to a professional service where they will likely use a laboratory-grade torque wrench calibration tool.
A torque wrench calibration tool is not something most DIY mechanics invest in—they’re pricey and not necessary for most people. Know what else isn’t necessary? Paying a lot of money for
car and truck insurance
.
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