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OEM Torx Fasteners

MCJA

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Does anyone have a good source for OEM style black Torx bolts? Or, does anyone know what kind of finish the OEM fasteners have? Black phosphate, black oxide, black stainless? Oiled or waxed?

There are plenty of places to get black fasteners on the ol' Interwebs. But I'm not sure about their corrosion resistance and strength (grade) compared to stock. I'd also prefer to get them with the easy start (unthreaded) tip if possible. I've tried using black fasteners from my local hardware store, but they rust quickly. I'm also looking for an assortment of sizes (diameter and length), thread pitch, etc.

Edit: I'm also aware of the many online MOPAR parts retailers where you can get the actual OEM fasteners. (See the first response to this thread if that interests you.) But they list hardware by part number and application. (i.e. "chair mounting bolt", or "trim screw"). I'm looking for hardware sold by its dimension (i.e., M12x1.5 x 30, or 1/4-20 x 1.5") Unless someone already has a catalog that correlates the standard dimensions to part number of every fastener FCA makes.


I know it's a minor detail, and I usually favor function over form. But with aftermarket parts from various manufacturers, you end up with a myriad of gold zinc, silver zinc, nickel and/or stainless steel fasteners. And rusty fasteners drive me nuts. No pun intended.

I searched the forums for similar topics, but didn't find anything. If I missed it, please point me in that direction.
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MCJA

MCJA

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BuffaloBill

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Does anyone have a good source for OEM style black Torx bolts? Or, does anyone know what kind of finish the OEM fasteners have? Black phosphate, black oxide, black stainless? Oiled or waxed?

There are plenty of places to get black fasteners on the ol' Interwebs. But I'm not sure about their corrosion resistance and strength (grade) compared to stock. I'd also prefer to get them with the easy start (unthreaded) tip if possible. I've tried using black fasteners from my local hardware store, but they rust quickly. I'm also looking for an assortment of sizes (diameter and length), thread pitch, etc.

Edit: I'm also aware of the many online MOPAR parts retailers where you can get the actual OEM fasteners. (See the first response to this thread if that interests you.) But they list hardware by part number and application. (i.e. "chair mounting bolt", or "trim screw"). I'm looking for hardware sold by its dimension (i.e., M12x1.5 x 30, or 1/4-20 x 1.5") Unless someone already has a catalog that correlates the standard dimensions to part number of every fastener FCA makes.


I know it's a minor detail, and I usually favor function over form. But with aftermarket parts from various manufacturers, you end up with a myriad of gold zinc, silver zinc, nickel and/or stainless steel fasteners. And rusty fasteners drive me nuts. No pun intended.

I searched the forums for similar topics, but didn't find anything. If I missed it, please point me in that direction.
I too would like to find these fasteners and agree with your thought process and findings. I plan to fab my own bull bars and rock rails, and would like fasteners of different lengths like those on the steel front bumpers.
 
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MCJA

MCJA

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So far, the best source I've found is Fastenal:

https://www.fastenal.com/product/fa...teners/604789?categoryId=604789&level=2&fsi=1

Their automotive fastener selection is very comprehensive, including bolts, screws, nuts, clips, clamps, bushings, etc. I also like them because they have brick-and-mortar stores you can visit and see the parts before you buy them. (They don't always have everything in stock. Some of the more obscure things are special order.)

But I'm still left with my original question regarding finish. Fastenal has various black finishes available, depending on the part. Oxide, phosphate, polycoat, etc. I'm trying to figure out what finish the OEM fasteners have, because they seem to hold up very well.

Does anyone have experience using automotive fasteners from Fastenal? If so, how does the finish on their fasteners compare to the finish on OEM fasteners? My primary concern is corrosion resistance.
 

OldBird

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Thaniks, @OldBird! Grainger is great for a lot of good stuff! How have your fasteners held up to the elements? Do you use Grainger's standard "shiny" finish, or black finish?
The black oxide has held up as well as factory. I got some cheap ones from a local hardware store in a pinch for my front skid plate, and the oxide was gone and they were rusted within a couple weeks. Grainger's Black Oxide were on my F350 for years and still stayed black and rust free.
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