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Mechanical Torque Wrench Test

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If you are more the mechanical-clicker-torque-wrench kind of guy, we also tested Harbor Freight’s 1/2-inch clicker torque wrench, and it was also very close. It also has a range of 20 to 150 lb-ft and a lifetime warranty. Accuracy after five consecutive tests at 70 lb-ft ranged from 68.8 lb-ft (-1.2) to 70.3 ( 0.3), with an average error of 0.30 lb-ft over five tests. It doesn’t get much better than that for a mechanical torque wrench. This is represented as Test 1 in the following graph

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