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Mac88 11-11-2012 02:49 PM

Leaf Springs
3 Attachment(s)
I have a question about leaf springs on a trailer. I know this is'nt about a car, but I know with all the experience on here, there are several people who have spent many hours working with a car trailer.

I'm changing out the floorboards on my trailer and one of the axles. When I took the leaf springs off, I noticed the bolts were no spin bolts, with the teeth near the head. The bolts were extremely old and rusty since they've been on there forever, and I ended up stripping one trying to get the nut off. My question is should'nt I be able to just replace these bolts with a standard grade 8 bolt or do I need the none slip bolts? I dont see a need for the non slip bolts, but I just wanted to make sure.

scholman 11-11-2012 03:11 PM


Grade 8 will be fine. The only thing is, now you will need two wrenches to loosen or tighten the bolt.

azlogger 11-11-2012 03:12 PM

what does your trailer have to keep the shackles from binding? like is there some kind of bushing to give it some space to move? i'm just thinking they might be no spin bolts so that they lock to the shackle and can turn in the leaf end to prevent wear, if that makes sense.

Mac88 11-11-2012 04:37 PM

Thanks for both replies. It does make sense about the binding. Never thought about that. There are bushings inside the leaf springs themselves, but maybe that was the reason for the non-slip bolts. Thanks again.

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