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Re: Harbor Freight Torque Wrench Posted by TML [Email]  (#2212)  [Profile/Gallery]
(more from TML) on Fri, 2 Dec 2011 06:09:24
In Reply to: Harbor Freight Torque Wrench, JerryC, Fri, 2 Dec 2011 05:35:12 Members do not see ads below this line. - Help Keep This Site Online - Signup |
I used to calibrate torque wrenches for part of my job; I've probably worked on over 5000 of them, and I'm very familiar with this generic type. I've calibrated them as brand new, lightly used, and old and beaten. Many times, I saw the same wrench year after year. Brand new, it's going to be off by 10-50%. That's pretty much a guarantee; if it's actually in spec, it's blind luck, a 1 in 100 shot. Once re-calibrated, it will be somewhat ok for a while, and may stay within 10% for a year if you're lucky. After the second recalibration, it becomes more stable; still might not meet the ASME +/-4% spec a few months down the road, but likely within 6%. For your purposes, what this means is the wrench is worthless, because you're not going to spend $100 getting it calibrated twice and waiting a year or more for it to become halfway decent.
posted by 24.246.55...
, Fri, 2 Dec 2011 13:40:58, Fri, 2 Dec 2011 17:36:58, Fri, 2 Dec 2011 13:34:38
, Fri, 2 Dec 2011 07:27:06
, Fri, 2 Dec 2011 11:13:45, Fri, 2 Dec 2011 08:00:02, Fri, 2 Dec 2011 06:09:24 <-- Viewing This Message, Fri, 2 Dec 2011 07:45:39, Fri, 2 Dec 2011 07:29:46
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