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Old 02-09-2020, 12:25 PM   #1
elwood
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Default Need some bolts

hey guys, im needing some longer bolts for a project, can anyone tell me what thread these bolts are, and possibly where i can find longer ones ..
cheers ...
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Old 02-09-2020, 12:29 PM   #2
19Fordy
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Default Re: Need some bolts

Try 1/4-28 UNF. They look like the bolts on a fan hub. I think Ford may have made his own special bolts but, I recall using 1/4-28 bolts.
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Old 02-09-2020, 12:39 PM   #3
Lawson Cox
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Default Re: Need some bolts

They are WAY too long for fan hub bolts. Use your thread gauge on it and see what it is. DUH.
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Old 02-09-2020, 01:09 PM   #4
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Default Re: Need some bolts

Quote:
Originally Posted by elwood View Post
hey guys, im needing some longer bolts for a project, can anyone tell me what thread these bolts are, and possibly where i can find longer ones ..
cheers ...
Elwood, The hub bolts in all of my -42 - 48 fan hubs are 12-32. You should be able to get these at any decent hardware store in your area.
If not, McMaster-Carr is your friend
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Last edited by Kube; 02-09-2020 at 03:16 PM.
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Old 02-09-2020, 01:33 PM   #5
deuce_roadster
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Default Re: Need some bolts

Looks to me like the back side holes are square like for a carriage bolt. I can't tell what the application is but finding fine thread carriage bolts would be difficult. I bet coarse threads with lock washers and Loctite would suffice.

Ok, I just zoomed in and the holes are round. disregard what I posted. Should be a way to delete a post instead of leaving no text.
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Old 02-09-2020, 03:08 PM   #6
estout81
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Default Re: Need some bolts

The fan hub bolts on my '48 F-1 are #12-32.
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Old 02-09-2020, 03:17 PM   #7
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Default Re: Need some bolts

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The fan hub bolts on my '48 F-1 are #12-32.
You sir, are correct. I need to wear my glasses more often
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Old 02-09-2020, 06:18 PM   #8
elwood
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Default Re: Need some bolts

ok guys, 12 by 32 they are, but where on earth can I find 2 1/2 inch long 12 by 32 bolts
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Old 02-09-2020, 06:25 PM   #9
JSeery
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Default Re: Need some bolts

If it doesn't need to be threaded the whole length a shank bolt might work.
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Old 02-09-2020, 06:30 PM   #10
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Default Re: Need some bolts

mcmaster carr is a great place to shop. parts arrive in 2-3 days. https://www.mcmaster.com/
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Old 02-09-2020, 06:44 PM   #11
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Default Re: Need some bolts

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Originally Posted by elwood View Post
ok guys, 12 by 32 they are, but where on earth can I find 2 1/2 inch long 12 by 32 bolts
I checked and even McMaster-Carr doesn't list them. They have 12-24 but not 12-32. If THEY don't have them, I simply don't know who might.
Do you have a lathe? If so, they'd be easy to make.
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Old 02-09-2020, 06:45 PM   #12
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Default Re: Need some bolts

I did a quick look and didn't find a 12-32 listing.

Last edited by JSeery; 02-09-2020 at 06:52 PM.
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Old 02-09-2020, 07:21 PM   #13
19Fordy
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Default Re: Need some bolts

Would it be possible to drill and tap those holes for a different size fine threaded bolt
that is available?
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Old 02-09-2020, 07:35 PM   #14
deuce_roadster
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Default Re: Need some bolts

This place has 12 32 bolts

https://military-fasteners.com/drill.../thread_qty/32
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Old 02-09-2020, 08:25 PM   #15
Big Shark
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Default Re: Need some bolts

You can try Fastenal, they might have them.
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Old 02-09-2020, 08:40 PM   #16
35fordtn
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Default Re: Need some bolts

Your not going to find them anywhere new I can promise! I am having them made currently

You can always tap the hole to a 1/4-28 which in reality isn’t much bigger
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Old 02-10-2020, 08:47 AM   #17
big job
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Default Re: Need some bolts

you need a lathe LOL
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Old 02-10-2020, 09:55 AM   #18
D. Jones
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Default Re: Need some bolts

Sometimes you have to improvise. I have used all thread and then used red loctite to hold a nut on for the head. The nut can also be welded or soldered on. Fastenal can most likely get you what you need.
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Old 02-10-2020, 10:35 AM   #19
Scotty's 52 F3
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Default Re: Need some bolts

I've found "unpopular" bolt sizes on eBay.
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Old 02-10-2020, 10:41 AM   #20
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Default Re: Need some bolts

Hi there I just looked at Bolt Supply and they have a lot of what you need. Google it. Jim T.
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