[ARC5] 3-48 binding head sizes in SCR-274N

Kenneth G. Gordon kgordon2006 at frontier.com
Fri Sep 28 13:53:48 EDT 2012


On 28 Sep 2012 at 10:40, J. Forster wrote:

> Yes, www.mcmaster.com
> 
> Last time I looked they did not have brass #3-48. Fastenall did as I
> remember.

OK. Good, thanks.

> Is there any indication they called out brass v. steel for any particular
> reason?

No. None whatever.

> Or was it just whatever they had on hand. If the latter, I'd think
> SS could be used anywhere.

Same here. Besides, I think SS is stronger than brass. I have had trouble with the heads on 
the brass ones breaking off when I tried to remove them.

> BTW, I think brass can be blackened with some gun blacking solutions, but
> SS does not blacken well.

Where I need black, I paint them with flat-black model airplane paint. It looks good and is 
pretty hard.

Ken W7EKB


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