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#1 |
Registered User
Join Date: Jan 2009
Location: Burbank, CA
Posts: 3,611
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New bolts or old bolts?
I removed the bolts that hold my trailing arms in and the bolts that hold my coils to the trailing arms. If I replace them with new bolts will grade 6 bolts from the hardware store be as strong as the originals?
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#2 |
Registered User
Join Date: Apr 2014
Location: calgary alberta
Posts: 1,248
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Re: New bolts or old bolts?
no such thing as grade 6 just 5 or 8 or 10.9
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#3 |
Registered User
Join Date: Jan 2009
Location: Burbank, CA
Posts: 3,611
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Re: New bolts or old bolts?
Sorry I meant grade 8.
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#4 |
Registered User
Join Date: Jul 2015
Location: HAYSVILLE
Posts: 85
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Re: New bolts or old bolts?
Me personally I would use new bolts. Just due to the rust and grime factor. I bought all new bolts for our front end assembly. Made it a lot easier to go back together.
To each their own. If they are in good condition then you may just want to use the old ones. Heck they have lasted this long what's another few decades. |
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#5 |
Registered User
Join Date: Mar 2013
Location: Vail, Colorado
Posts: 163
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Re: New bolts or old bolts?
If there is one thing I have learned from Jeeps and four wheeling over the years, it is always replace suspension bolts. There is a lot of stress on them and a failure could get ugly.
I replaced all of my bolts with grade 8, the nice thing is everything on these trucks is standard SAE size and available anywhere that sells hardware. Good peace of mind. |
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#6 |
Moderator
![]() Join Date: Dec 2012
Location: ON, Canada
Posts: 2,159
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Re: New bolts or old bolts?
I couldn't get the bolts for the trailing arms at Lowe's or Home Depot. Had to go to Fastenal, and buy a four pack. Grade 8, nice cad plating. Expensive.
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#7 |
Registered User
Join Date: Apr 2014
Location: calgary alberta
Posts: 1,248
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Re: New bolts or old bolts?
thats cause you shopped at fastenal you are in ont you think there would be a better place then those crooks i used to sell bolts and ya cad plating is super $$$$ and is for spec bolt app for bridges buildings industrial equip etc so i guess the good thing is the bolts were super strong ones just 5 or 10 time the cost.
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#8 |
Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: New bolts or old bolts?
Grade 8 bolts are not necessarily the answer for a lot of applications.sometimes you want the bolt to wear or break before something else does. grade 8 bolts are overkill in most cases on a vehicle
HD truck dealerships are usually a good place for fasteners along with agricultural. Acklands/Grainger and most automotive parts places ron |
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#9 |
Registered User
Join Date: Jun 2012
Location: Portland
Posts: 1,330
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Re: New bolts or old bolts?
That's a good point. Grade 8 will snap whereas a lower grade will bend. Sometimes having it bend rather than shear is ideal.
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#10 | |
Registered User
Join Date: Feb 2008
Location: Sidney,b.c.
Posts: 4,425
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Re: New bolts or old bolts?
Quote:
people check very few things these days on anything. they wait till it happens and then replace it ro |
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