[ARC5] WTB: ARC-5 screws

[WA5CAB at cs.com]

Yes, I've seen some of these cold process products.  But the commercial or 
industrial grade process on brass is done at somewhat elevated temperature.  The 
process for iron, steel and stainless steel is done at a much higher 
temperature.  The last place that was doing steel here in Houston quit doing it after 
one of their employees was either killed or severely maimed (I can't recall 
which the owner told me). 

Note the operating temperatures of up to 285 F for the bulk process 
chemicals.  However, for $400 they do have a room temperature kit.  But the writeup 
doesn't discuss how you handle parts into and out of the various baths.

In a message dated 5/14/2007 3:43:26 PM Central Standard Time, jfor at quik.com 
writes: 
> Actually, putting a decent black oxide film on brass is relatively easy
> if you are a bit handy with simple chemistry. Often eBay has the needed
> chemicals with little hassle. A HS chem teacher might help too.
> 
> Also, there are commercial brass blackning products. See:
> 
> http://www.epi.com/black-oxide/hot-oxide-blackening.html
> 
> They might be convinced to send you an ounce to try it out. That would
> do a lot of screws.

Robert Downs - Houston
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MVPA 9480
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