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Aluminum Heli-coils


 
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J. Schwiebert
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PostPosted: Mon Nov 12, 2012 12:13 pm    Post subject: Aluminum Heli-coils Reply to specific post Reply with quote

Is there such a thing?
 
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timcasbolt
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PostPosted: Mon Nov 12, 2012 12:25 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

Their website says that they are made from stainless steel. If you are wondering if they can be used on aluminum, the answer would be yes.
 
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Stick welding
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PostPosted: Mon Nov 12, 2012 1:01 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

Depending what it is, it is common to weld up aluminum with TIG and drill and tap new threads.
 
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Mike M
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PostPosted: Mon Nov 12, 2012 1:38 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

Look for timeserts GM uses these to fix the bolt holes in the alum. northstar engines. They are to hold better then helicoils.
 
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wisbaker
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PostPosted: Mon Nov 12, 2012 1:47 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

There are a few different ways to solve the problem of stripped threads in aluminium castings. There's Helicoils and then there are other inserts that are stronger. As the other poster mentioned GM approved devices for Cadillac Northstar engines, similar devices for VW air-cooled engines (case savers) and you'll probably find some in the Honda car hot rodding/tuning movement or motorcycle communities. Check with machine shops or supply stores, especially those that serve any of the above groups.
 
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wisbaker
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PostPosted: Mon Nov 12, 2012 1:48 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

And Aircraft communities like Aircraft Spruce (business) in the Aircraft world you might have better like getting SAE or inch stuff.
 
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MarkB_MI
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PostPosted: Mon Nov 12, 2012 2:21 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

It's very common for mil-spec aircraft equipment to be manufactured with helicoils installed, as the helicoil will be stronger than a tapped thread of the same diameter.
 
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El Toro
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PostPosted: Mon Nov 12, 2012 2:34 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

We used Keenserts on aluminum plates. Had a hard time to convince some of the engineers that you couldn't use the torque value used on steel
when tightening bolts in aluminum. Hal
 
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Bus Driver
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PostPosted: Mon Nov 12, 2012 2:45 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

timcasbolt has it correct. I have used the coil inserts in aluminum Briggs engines with excellent results.
 
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Bob - MI
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PostPosted: Mon Nov 12, 2012 3:00 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

What are you trying to do?
 
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ldj
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PostPosted: Mon Nov 12, 2012 9:07 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

Bob - MI wrote:
(quoted from post at 16:00:01 11/12/12) What are you trying to do?


If it is a stud, you can buy studs in several oversizes oversize to go in engine block
 
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riccumming
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PostPosted: Tue Nov 13, 2012 6:35 pm    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

timesert makes the best thread repair products around ford spark plug pops out ford says never saw that before called timesert they sell plenty kit comes with 5 inserts used 4 in my and frends pickups all have over 200,000 miles since inserts used with no problems (now ford recomends them)
 
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Tom Stenerson
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PostPosted: Fri Nov 23, 2012 10:00 am    Post subject: Re: Aluminum Heli-coils Reply to specific post Reply with quote

riccumming;If you're all out of spaces,Capitals,and punctuation marks,I've got a whole bunch I can let you have real cheap.....Please!
 
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