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Tag sale season is upon us here in New England, which means good opportunities to score tools for cheap. Most times I browse the rows upon rows of tools upchucked from the dearly departed Uncle Buck's tool chest onto an old dog blanket simply looking for items I don't already have, but I always keep my eye out for those  screaming, can't-pass deals.
The relatively clean torque wrench I recently came across looked like one of those deals. There was no brand name etched into it, and it didn't come with a case, but for less than the price of a beer at Fenway Park, I figured I wouldn't go broke even if it were a dud. But how do I find out if it is worth using before I trust it with torquing down, say, the axle nut on the Chenowth's transaxle? Especially if I don't care to spend almost as much as a brand-new torque wrench just for a professional calibration?
Fortunately, there's a rather simple method for doing so at home using nothing more than a vise, a weight and some math. Here's how to proceed.
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Re: How to Recalibrate Your Torque Wrench at Home
