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KMC Enduro Beadlock Bolts


This is a discussion on KMC Enduro Beadlock Bolts within the Ford Raptor Wheels & Tires Forum [GEN 1] forums, part of the GEN 1 (2010-2014) Ford SVT Raptor Forums category!
Howdy - I have the KMC Enduro wheels on my Raptor. The wheels came with Grade 8 bolts to attach ...


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Old 06-05-2012, 11:04 AM   #1 (permalink)
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Default KMC Enduro Beadlock Bolts
Howdy -

I have the KMC Enduro wheels on my Raptor. The wheels came with Grade 8 bolts to attach the beadlock to the wheel. Can I replace the the Grade 8 bolts with stainless bolts? Stainless bolts are not as strong as Grade 8, but I am thinking the threads in the aluminum wheel are the weak link.

Thanks




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Old 06-05-2012, 12:58 PM   #2 (permalink)
 
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No! Hell No! The threads are not the weak link or they wouldn't spec Grade 8 Bolts. You can do the thread failure calcs if you want to prove this to yourself. You will not be able to achieve the necessary pre-load on the bolts to hold the lock ring on under pressure. This could lead to failure under pressure and consequently severe injury and/or death.


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Old 06-05-2012, 01:16 PM   #3 (permalink)
 
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Can I ask why you want to swap put the provided bolts?
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Old 06-05-2012, 01:43 PM   #4 (permalink)
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Glad I asked! Grade 8 will stay. I was getting some corrosion on the bolt heads. I will clean off and stick with the Grade 8 bolts.

I will do some research on the thread failure calculations - it will be an interesting exercise.

Thanks!
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Old 06-05-2012, 01:58 PM   #5 (permalink)
 
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And if you are getting corrosion, i would suggest after you clean them, powder coat them to protect them.
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Old 06-05-2012, 02:05 PM   #6 (permalink)
 
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Originally Posted by tnsbruce View Post
Howdy -

I have the KMC Enduro wheels on my Raptor. The wheels came with Grade 8 bolts to attach the beadlock to the wheel. Can I replace the the Grade 8 bolts with stainless bolts? Stainless bolts are not as strong as Grade 8, but I am thinking the threads in the aluminum wheel are the weak link.

Thanks
Have you stripped some of the threads on the wheel?


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Old 06-05-2012, 02:50 PM   #7 (permalink)
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Check out this link for more info. The Tensile strength is what should be of most interest to you. Also note that there is no Proof Load testing for the stainless.

Bolt Depot - Bolt Grade Markings and Strength Chart
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Old 06-05-2012, 03:36 PM   #8 (permalink)
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Originally Posted by Raptorguy21 View Post
Have you stripped some of the threads on the wheel?
The shop that mounted the tires stripped a couple - I used helicoil to repair. Ideally, I think these wells should come with helicoils standard for a more secure mounting of beadlock ring.
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Old 06-05-2012, 03:56 PM   #9 (permalink)
 
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You can try clear coating the bolt heads. That's what i do when I want to keep the grade 8 finish.


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Old 06-05-2012, 04:11 PM   #10 (permalink)
 
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Beadlocks strip out, back out and break bolts all the time. I seriously don't suggest them.
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