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Author: Subject: HELP! harness nut thread stripped
Humbug

posted on 17/9/05 at 03:51 PM Reply With Quote
HELP! harness nut thread stripped

As in the title. I was fitting my harnesses and one bolt was a bit stiff. Took it out, tried a few more times, to cut a long story short it looks like I've stripped the thread on the nut on the driver's side outer panel. The bolt tightens up nicely until about 1mm before it is fully home, then just turns and turns.

Any ideas? I think my options are:

1. remove the nut and weld on a new one

2. tap the nut out to a slightly bigger size and use an appropriate bolt

Thanks in advance.

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rayward

posted on 17/9/05 at 04:28 PM Reply With Quote
I would remove the old one and weld in a new nut, might save your butt one day!!!.

Ray

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Peteff

posted on 17/9/05 at 04:28 PM Reply With Quote
Number 1 or

3. Drill through the nut and put another one behind it.
They don't have to be welded on, that's probably what knackered the threads in the original.





yours, Pete

I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.

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rusty nuts

posted on 17/9/05 at 08:01 PM Reply With Quote
Weld on a new nut, clean the threads with a correct size tap and use a new bolt with the correct markings. Not worth the risk trying to bodge it.
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Humbug

posted on 17/9/05 at 08:26 PM Reply With Quote
Thanks - I definitely don't want to bodge something as imnportant as this
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Snuggs

posted on 17/9/05 at 08:52 PM Reply With Quote
quote:
Originally posted by Peteff
3. Drill through the nut and put another one behind it.
They don't have to be welded on, that's probably what knackered the threads in the original.



IIRC Seat belt mounting bolts MUST screw into a captive nut to pass SVA.





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wilkingj

posted on 17/9/05 at 10:21 PM Reply With Quote
Hmm I got a plate (approx 50mm Square) with a nut already on it, and then just mounted the plate to the body. I paid £1 each plate with nut, and that has got to be easier than welding nuts onto the chassis... easier, but mybe not cheaper.






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Nick Skidmore

posted on 18/9/05 at 10:43 AM Reply With Quote
Helicoil or similar??
NOTE:This user is registered as a LocostBuilders trader and may offer commercial services to other users
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rusty nuts

posted on 18/9/05 at 01:09 PM Reply With Quote
Even though Helicoils are an excellent product not sure I would risk them on such a safety related item , also would cost more than welding on a new nut.
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Peteff

posted on 18/9/05 at 01:59 PM Reply With Quote
IIRC Seat belt mounting bolts MUST screw into a captive nut to pass SVA.

Mine don't. It passed with nylocs.





yours, Pete

I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.

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locoboy

posted on 25/9/05 at 09:05 PM Reply With Quote
where can i get 7/16 UNF nylocks then Pete? I need 4 of them, ..............they are 7/16 UNF threaded bolts on the harnesses arn't they?





ATB
Locoboy

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Peteff

posted on 26/9/05 at 09:20 AM Reply With Quote
That's just a minimum spec, I used metric bolts and nuts from the local supplier.





yours, Pete

I went into the RSPCA office the other day. It was so small you could hardly swing a cat in there.

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ned

posted on 26/9/05 at 09:43 AM Reply With Quote
7/16unf from www.namrick.co.uk there are other suppliers, this is who i've used though. i'd drill it and put anotehr bolt on personally.

Ned.





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locoboy

posted on 26/9/05 at 08:45 PM Reply With Quote
Judging by the look of the bots that are on my willans harnesses they dont come out of the mounting plate................or do they?





ATB
Locoboy

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