Another Bolt Grade Question.......... - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 16 (permalink) Old 02-16-2009, 05:07 PM Thread Starter
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Another Bolt Grade Question..........

OK....here we go......

When the box of the Dodge got replaced, they had to re-install my Reese gooseneck rails. The body shop used the grade 5 (I believe) bolts for this.

Should I replace these with grade 8 bolts?

I wanna make sure everything is as safe as it can be....so what grade bolts get used in installing the rails???




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post #2 of 16 (permalink) Old 02-16-2009, 05:26 PM
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better safe than sorry grade 8 all the way.

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post #3 of 16 (permalink) Old 02-16-2009, 06:11 PM
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Call the hitch manufacture and get their recommendation. Then use what they recommend.
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post #4 of 16 (permalink) Old 02-16-2009, 06:14 PM
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Originally Posted by BIGBADDODGE View Post
better safe than sorry grade 8 all the way.
Is it? I would rather have my hitch bolts stretch than snap if the load on the fastener exceeds the tensile strength?

Last edited by wastedwagesracing; 02-16-2009 at 06:31 PM.
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post #5 of 16 (permalink) Old 02-16-2009, 06:32 PM
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If you can snap/sheer off a grade 8 bolt i give props. I dont see one streching but heck im new here so teach me what are the pros and cons of using grade 5vs grade 8. for a hitch

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post #6 of 16 (permalink) Old 02-16-2009, 07:33 PM
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Here, this is a thread with lots of good info in it. Although it is not the same question lots of the information presented still applies to this question.

https://thedieselgarage.com/forums/sh...r+hitch&page=2
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post #7 of 16 (permalink) Old 02-16-2009, 07:44 PM
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I understand i myself use a pin for my hitch. As for gooseneck hitches homemade/kit i see alot of people/kits using at least 4-6 grade 8 bolts thats all i was trying to say

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post #8 of 16 (permalink) Old 02-16-2009, 08:17 PM
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Quote:
Originally Posted by BIGBADDODGE View Post
I understand i myself use a pin for my hitch. As for gooseneck hitches homemade/kit i see alot of people/kits using at least 4-6 grade 8 bolts thats all i was trying to say
Yup I agree, That is why I said do what the manufacture recommends. They should have the engineering and insurance to back up their claims.

I just see way to many times where people use the old myth's.
Bigger is better, tighter is better, make it thicker it will hold and so on. Where as the best is an educated, engineered solution.
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post #9 of 16 (permalink) Old 02-16-2009, 08:30 PM
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post #10 of 16 (permalink) Old 02-16-2009, 09:52 PM
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Im with Doug on this one I would call the hitch manufacturer and get the same grade they use.

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