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Old 01-15-2020, 10:52 PM   #1
moregrip
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what are the most popular nut/bolt sizes?

Ideally would like a complete list of sizes used to wrench on our beloved squarebodies; all SAE and SAE/Metric types!
or a solid link
Thank you!
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1976 Chevy C10 350/350 Heavy Half (future project truck)

Last edited by moregrip; 01-16-2020 at 01:07 AM.
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Old 01-16-2020, 12:21 PM   #2
SunSoaked
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Re: what are the most popular nut/bolt sizes?

Not sure what you mean. Buy a kit that has metric and SAE. Wrench away.
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Old 01-16-2020, 12:26 PM   #3
1976gmc20
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Re: what are the most popular nut/bolt sizes?

At one point a long time ago, I bought a mixed box end wrench with 1/2" on one end and 9/16" on the other.

That would actually take care of most things that you would encounter out on the road.
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Old 01-16-2020, 12:45 PM   #4
Mattchu60
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Re: what are the most popular nut/bolt sizes?

If you are working on the body, its filled with 1/2" and 9/16" body bolts. So those two sizes will handle almost everything if you want to work with panels.
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Old 01-16-2020, 03:03 PM   #5
Dead Parrot
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Re: what are the most popular nut/bolt sizes?

The early ones were all SAE. At some point in the later 70's, they switched to a mix of SAE/metric. Drive train stayed mostly SAE. Body was often metric but not always. My 79 Camaro required the dual metric/SAE sets to get things done.

1/2, 9/16, 5/8, 3/4 + an adjustable(Cresent) will cover most road side repairs. Toss in the proper screwdriver for your lights(usually phillips or torx).

No telling what PO's might have used to fix something so even a rock solid list is just a best guess.
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Old 01-16-2020, 03:17 PM   #6
moregrip
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Re: what are the most popular nut/bolt sizes?

Quote:
Originally Posted by Dead Parrot View Post
No telling what PO's might have used to fix something so even a rock solid list is just a best guess.


true true
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