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Helicoil Video

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tamsenuk
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Joined: 15 Oct 2013
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PostPosted: 20:34 - 10 May 2017    Post subject: Helicoil Video Reply with quote

I use a helicoil thread repair kit to repair one of the points my seat is attached to the frame. Using a simple method of first drilling out the previous thread, tapping the hole with the tapping tool, then screwing in the threaded insert using the insert tool and finally break off the tangs.

A quick job with the right tools, and even my puppy makes an appearance!

https://youtu.be/-YcETGrGScA
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Commuter_Tim
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Joined: 08 May 2013
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PostPosted: 21:10 - 10 May 2017    Post subject: Reply with quote

You will probably find it easier next time if you lube her up before you tap that shit, you could do some damage going in dry. Shifty

Seems like you may need a smaller length insert too (sly video edit to cut the struggle removing the tang?) Smile
I had that problem with a similar kit I bought and when the coil sits out the back of the nut.
The thread stretches out when you break the tang, damaging the bolt when you remove and replace it.

Nice puppy though.
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The above post is most likely nonsensical.

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Raffles
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PostPosted: 21:21 - 10 May 2017    Post subject: Reply with quote

For that job a Rivnut would have been more suitable than a Helicoil insert.
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tamsenuk
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PostPosted: 21:39 - 10 May 2017    Post subject: Reply with quote

Commuter_Tim wrote:

Seems like you may need a smaller length insert too (sly video edit to cut the struggle removing the tang?) Smile


Yeah, spot on (including the edit) it did poke out past the end and when I tried to remove the tang, the helicoil stretched a little at the back. I figured if it had the potential to cause the bolt damage I would have just cut off that extra bit at the back, but didn't feel I needed to.

Raffles wrote:

For that job a Rivnut would have been more suitable than a Helicoil insert.


I had not heard of them before, but I looked them up online and you are right, they also would have worked well.
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Commuter_Tim
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PostPosted: 21:12 - 11 May 2017    Post subject: Reply with quote

tamsenuk wrote:
Yeah, spot on (including the edit) it did poke out past the end and when I tried to remove the tang, the helicoil stretched a little at the back. I figured if it had the potential to cause the bolt damage I would have just cut off that extra bit at the back, but didn't feel I needed to.
Oh I assure you, if the springy bit catches the bolt sticking out of the back, it will fuck it up.
I regularly removed the rear wrack I fixed with an insert too big, it galled the fuck out of the OEM bolts in no time.

The plus side is you wont need threadlock, the springy bit is self locking. Laughing
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recman
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Joined: 26 Mar 2012
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PostPosted: 06:45 - 12 May 2017    Post subject: Reply with quote

At work I use inserts (never heard of them being called rivnuts) on panels.
If there's a boss I'll go with the helicoil.
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