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Re: Hood bolt hole stripped
Rocket man #1352565 Tue Mar 31 2020 11:55 AM
Joined: Feb 2019
Posts: 742
P
Jack of all Trades, Master of None
You can buy individual HeliCoil kits on fleaBay for about $20. Sets for under $60. I don’t believe the tap will work as an insertion tool. The insertion tool has a special tip that engages the tang on the coil enabling you to screw the coil into the newly taped hole. A tap would not have the special tip to catch the coil tang.

Last edited by Phak1; Tue Mar 31 2020 12:34 PM.

Phil

1952 Chevrolet 3100
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Re: Hood bolt hole stripped
Rocket man #1352568 Tue Mar 31 2020 12:45 PM
Joined: May 2017
Posts: 78
S
Shop Shark
I would look for time serts. much better than heli Coils Check them out /

https://www.time-sert.com/

Re: Hood bolt hole stripped
Rocket man #1352620 Tue Mar 31 2020 06:44 PM
Joined: May 2015
Posts: 2,498
K
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Originally Posted by Rocket man
I'm going to ask the local O'Reilly's if they have a heli-coil kit that I can purchase one tap from. I'm going to order two bolts from Chevs of the 40's, smallest package available...better than buying the whole set. After I drill out the hole, I believe I can screw the new bolt into the tap and screw it in without the aid of their special tools...especially since the hood hinge bolts are shouldered. Once it screws down flush, problem solved. Tell me if I'm wrong!
The helicoil tap is a special size fitted to the size of the insert. You need the whole kit, consisting of tap, insert tool and insert. The insert tool allows the insert to spring inward a bit as it's pulled into place, and then expands into the threads, like Phak1 said. If you're talking about finding a shoulder bolt with larger threads (which might be hard to do), you could just drill and tap to the correct size.

I've looked at Timeserts. They may be better than helicoil, but way more expensive. I would consider them for a more critical application than a hood hinge bolt hole (like maybe a stripped hole for an SAE boss o-ring fitting that needs a continuous shoulder for the o-ring to seat against for sealing, but those aren't used on stovebolts.)


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: Hood bolt hole stripped
Rocket man #1352659 Tue Mar 31 2020 11:42 PM
Joined: Mar 2010
Posts: 9,309
5
Master Gabster
Yep.
That's why I'd buzz the hole shut with the TIG, drill it and tap it.
I wouldn't need to chase heli-coil kits and drivers around all over the universe.
Make a template to find the hole later, weld it, drill it, tap it. Twenty minutes tops. Virtually free.
If one does not have a TIG, one has not lived yet.

Carl
Seldom right, always confident

Last edited by 52Carl; Tue Mar 31 2020 11:44 PM.
Re: Hood bolt hole stripped
52Carl #1352673 Wed Apr 01 2020 01:12 AM
Joined: May 2015
Posts: 2,498
K
Housekeeping (Moderator) Making a Stovebolt Bed & Paint and Body Shop Forums
Originally Posted by 52Carl
I wouldn't need to chase heli-coil kits and drivers around all over the universe.
Have the universe come to you. grin
5/16x18 Helicoil Kit [amazon.com]

Originally Posted by 52Carl
If one does not have a TIG, one has not lived yet.
I guess I'm in that haven't lived yet category. frown


Kevin
First car '29 Ford Special Coupe
#2 - '29 Ford pickup restored from the ground up.
Newest Project - 51 Chevy 3100 work truck. Photos [flickr.com]
Busting rust since the mid-60's
Re: Hood bolt hole stripped
Rocket man #1352856 Thu Apr 02 2020 05:00 AM
Joined: Mar 2010
Posts: 9,309
5
Master Gabster
Live Kevin, live!
You won't regret it. smile
It has been amazing to me how I can make something out of next to nothing with a TIG.

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