Forum Discussion

mikestock's avatar
mikestock
Explorer
Jul 30, 2015

Myth that socket extensions change torque wrench readings

I have had mechanics and one person who builds competition airplanes swear that torque wrenches are inaccurate when an extension is added. To me, this flies in the face of the Action, Equal and Opposi...
wnjj's avatar
wnjj
Explorer II
Jul 30, 2015
Maybe it's the potential to end up with the head of the torque wrench not directly above the bolt, particularly with a long extension. Or using your hand to support the extension adds a slight amount if drag.

Edit: Either way, it's not enough to matter.

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