Torque Wrench Question
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Fleet Owner
Joined: Mar 2003
Posts: 24,724
Likes: 74
From: Blue Hill Township
Torque Wrench Question
Is there any way to convert lb-ft into inch pounds? I thought that if you multipilied the lb-ft by 12, you could get inch pounds. The reason I ask is that my lb-ft torque wrench reads from 20 up, so I want to be able to use the inch pound wrench to torque bolts that are less than 20 lb-ft. Thanks
Tuned
Joined: Feb 2002
Posts: 352
Likes: 0
From: Kansas, USA
Torque Wrench Question
I've gotten boggled up in that too in the past. But I think you are right. Thus, if you needed to torque to 10 ft lbs, you would use 120 inch pounds on that wrench....I think.....
Elder User
Joined: Feb 2003
Posts: 887
Likes: 0
From: MN
Torque Wrench Question
thats right tiger. 1 foot pound is the twisting force equal to placing a 1 pound weight on the end of a 1 foot long "weightless" wrench. one inch pound is the same only the weight is on the end of a 1 inch long bar.
Senior User
Joined: Jul 2003
Posts: 491
Likes: 2
From: Spicewood, TX.
Torque Wrench Question
Be careful torqueing anything below the 20ft lbs...this is below the normal working range of the wrench...I just got a inch lbs 1/4 drive wrench for doing accumulator bodies...
Also the 1/4" is much more accurate in this range...
Harbour freight had them for $17...
Also the 1/4" is much more accurate in this range...
Harbour freight had them for $17...
Posting Legend
Joined: Sep 2001
Posts: 30,255
Likes: 37
Torque Wrench Question
According to a man I know that actually runs a metrology shop where they calibrate torque wrenches the ordinary Harbor freight wrenches are very good and hold up fairly well to normal hobby use. They are cheap enough that when it comes time to recalibrate you can just give them to the neighbor kid to use for a ratchet wrench and buy a new one 
I haven't had a need for a 1/4" wrench yet but I have both a 3/8 and 1/2" Try not to operate any torque wrench or meter/instrument near the ends of the range. Always try to operate in the middle 2/3 of the range for accuracy.
I haven't had a need for a 1/4" wrench yet but I have both a 3/8 and 1/2" Try not to operate any torque wrench or meter/instrument near the ends of the range. Always try to operate in the middle 2/3 of the range for accuracy.
Freshman User
Joined: Apr 2003
Posts: 37
Likes: 0
From: Bama Gal transplanted to the Pacific North West
Torque Wrench Question
anything under my torque ratchet's range i use a torque wrench with the old metal bar pointer...as i have found the only way it is out of calibration is if the metal pointer is bent...and that you can see!
Senior User
Joined: Jul 2003
Posts: 491
Likes: 2
From: Spicewood, TX.
Torque Wrench Question
Great advice Torque...just toss it...Yep, been down that road of the recalibration...Snap-on wants $50-75 to cal...
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Senior User
Joined: Nov 2001
Posts: 287
Likes: 2
Torque Wrench Question
Great conversion program here;
http://www.esbconsult.com/
Go to downloads, ESBUnit Conv Pro, and click on USBUnit Conv (free)
http://www.esbconsult.com/
Go to downloads, ESBUnit Conv Pro, and click on USBUnit Conv (free)
Last edited by sportscar; Sep 1, 2003 at 08:52 PM.
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