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DIY Calibrating Torque Screwdrivers?

Cruzan80

Well-known member
Joined
Jul 22, 2015
Messages
4,197
Location
Denver, CO
So as I am slowly cleaning up my shop, I am realizing I have a few different torque screwdrivers around. And I have no idea how to tell if they are in spec or not. Most of them only go up to about 50 in-lb (about 4ft-lbs). I know how to test a torque wrench with weights and math, but not sure how to accomplish the same with a torque screwdriver.

Besides sending it away to be calibrated, any ideas? I was looking for a digital torque adapter, but cant find any this low. This is just for my home shop, nothing for business thay would require a certification.

Sent from my Phone 2 using The Garage Journal mobile app
 
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