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Non-NCRS bolt/nut coatings

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Old 03-25-2008, 11:05 PM
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Power111
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Default Non-NCRS bolt/nut coatings

I do not care about my '67's originality. Having said that, what should I use to coat my bolts, nut, and other fastening parts that would look good (and stay that way)? Something shiny, but not chrome.

Zinc, cadmium, or ?

Recommended company to provide this service (preferrably around Oklahoma)?

Thanks in advance.
Old 03-25-2008, 11:18 PM
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62Jeff
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Many of them were probably cadmium originally. Zinc is becoming a more common alternative to cadmium, which is becoming expensive due to EPA regulations levied upon the plating shops due to the nasty chemicals involved.

I used Nu-chrome for the plating on my 56 Olds. $625 to cadmium plate all of the hardware in 1999. http://nu-chrome.com/

I originally used a local place in Houston, but was unhappy with the quality and ended up shipping everything to Nu-Chrome instead. Had I not tried to find a local place from the get-go, I would have spent half as much total money on plating and had my parts back in half the time.

Point is, if you get a local recommendation, that's great go for it. Otherwise, sometimes it's just easier to let UPS carry your parts to a trusted source far away, and be done with it.
Old 03-26-2008, 12:16 AM
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mikem350
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If you want to try paint I found a good color. The color is "Cast Coat Iron" Duplicolor engine paint. At the auto store.

Looks like the dark coating on replacement bolts
Old 03-26-2008, 01:54 AM
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AZDoug
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Stainless steel.

For high stress bolts, get ARP fasteners, otherwise regular 18-8 or 304 stainless will work. Available at most hardware stores, or online.

Doug

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