Torque Wrench Extension
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Club Member
Joined: Oct 2006
Posts: 1,582
Likes: 72
From: North East
Torque Wrench Extension
Does an extension (3") or adapter (3/8" to 1/4" or 1/2" to 3/8" ) have any affect on torque values delivered/measured by a torque wrench?. In other words if you use a 3" extension on a 3/8" torque wrench is the amount of torque delivered/measured the same as if you didn't use the extension?
Or, if you use a 1/2" to 3/8" reducer on a 1/2" torque wrench is the amount of torque delivered/measured the same as if you used a 1/2" socket?
I find myself using extensions and adapters to get into many of the tight spots and was wondering if anyone actually knew the affect of extensions and/or adapters on torques wrenches.
Or, if you use a 1/2" to 3/8" reducer on a 1/2" torque wrench is the amount of torque delivered/measured the same as if you used a 1/2" socket?
I find myself using extensions and adapters to get into many of the tight spots and was wondering if anyone actually knew the affect of extensions and/or adapters on torques wrenches.
Grand HDF Member
Joined: Apr 2005
Posts: 4,022
Likes: 3
From: Hudson Valley- NY
Using a straight extension, an adapter for a larger or smaller socket has no effect on how much torque is being applied to the nut/bolt/fastener. It only changes things when you use something that changes that angle that the torque is being applied in. A straight extension, reducer, etc. does not change that angle.
Road Master
Joined: Jul 2008
Posts: 1,142
Likes: 7
From: Michigan
I agree, as long as you aren't changing the length of the handle, then the torque value is the same. I'll usually be sure to hold the head of teh wrench to avoid altering the angle away from 90 degrees as well.
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