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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Radius Arm Nut - what size?

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Old Jun 14, 2007 | 06:27 PM
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RJCarp2's Avatar
RJCarp2
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Radius Arm Nut - what size?

Subject pretty much sums it up. I have tried 27 mm - too small. 1 1/16 - too small. 1 1/8 - fits, but not real snug (I'd hate to round it off). I measured it with calipers and it comes out at 28 mm - but no one sells this size! Thanks in advance..
 
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Old Jun 14, 2007 | 07:10 PM
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Phillip Guidry
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1-1/8 is fine....six point preferably
 
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Old Jun 14, 2007 | 07:15 PM
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F150xlt
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I just measured the nut and it measures 28.71mm or 1.13 inches.
1 1/8 socket works fine.
 

Last edited by F150xlt; Jun 14, 2007 at 07:22 PM.
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Old Jun 14, 2007 | 11:08 PM
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Mine measured 1.105" (28.07 mm). Hence the reason I made this post. Hopefully the 1 1/8 doesn't round it off when i try tomorrow!
 
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Old Jun 15, 2007 | 09:29 AM
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quicklook2
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heat up the nut with a torch to help get it off.

1 1/8" is the socket i used.
 
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Old Jun 15, 2007 | 09:46 AM
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TIP

Several times I have run into sloppy fit situations and my buddy up the street with the bigger metrics wasn't home.

I have some long 1/2 inch wide hard steel shim strips similar to feeler guage material in .010, .015, and .020 that I form into a six sided insert for the next biggest socket that I have and use it to take up the excess space.

Works great.
 
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