Replacement Bolts and Fasteners

[65grendel]

I've noticed all of the fasteners on the body of my M1165 are quite corroded and many are missing. Are you guys all using regular steel bolts and hardware from the hardware store, stainless, or another option for replacements for missing/corroded fasteners?

I was going to start replacing with stainless but I'm a little concerned with the galvanic corrosion that could happen with the stainless fasteners/aluminum body and it seems to me that the riv nuts used were regular steel anyway.

 

[02smokemaker]

Best thing you can do is make sure the body is painted or primed so there's no bare aluminum.

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[65grendel]

Best thing you can do is make sure the body is painted or primed so there's no bare aluminum.

Sent from my NX769J using Tapatalk

So are you using regular steel then?

 

[02smokemaker]

Aluminum rivets where needed, zinc plated steel nutserts where used , zinc plated graded steel bolts.

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[FlameRed]

Unless you are buying fasteners from places like ARP, you are probably buying Chinesium. I tend to by fasteners from the local ACE Hardware as they at least seem to have the best selection and are organized so they are easy to find. I use SS when I can unless it suspension or engine and then I stick with Grade 8.

Unless I need thread locker, I always use anti-seize to prevent problems with SS on Steel/Aluminum.

 

[Coug]

If you are nowhere near saltwater then it isn't as big of a deal to use stainless bolts with aluminum bodywork.
If you live somewhere continuously damp, or especially near salt, then it's a bad idea to mix stainless and aluminum.

If you aren't familiar with it, look up "galvanic corrosion" and you'll find out about metals that don't like each other

 

[juanprado]

Tractor supply has grade 5 that are painted green
You buy by the lb.
Grade 8 zinc also by the lb.
Cheapest fasteners I have found.
They also have nylon lock nuts in bulk.
Not sure how much the trump tariffs have increased price but worth it if you have one in your area.

 

[87cr250r]

If you want fasteners that last you need to look for fasteners with inorganic zinc coatings often called zinc-aluminum flake. Trade names include Dacromet and Geomet. Specific product lines include Armor Coat.

Understanding the Popular Types of Dacromet Coating - Growel Blog

Dacromet is mainly made of overlapping zinc and aluminum flakes in an inorganic binder. Dacromet is the chief inorganic coating mostly used in wind turbines, heavy trucks, marine, agricultural, construction

growel.com

This is the system used by modern OEMs for chassis fasteners.

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