George the MC ones are slightly magnetic, and there are some rust stains 
around the snap. Like I said I have not experienced a failure so far, but 
then I do rinse them off after a dive and lube them regularly. All all my 
diving is in salt water so I have to take extra precautions against 
corrosion problems.

 Jim

Sender: kirvine@sa*.ne*  Date: 7/4/99 10:23 AM

>I went back and checked my snaps with a magnet. The $13 giant snaps will
>not pick up the tiny magnet. The $8 ones do. The tiny ones from
>Brownies, like for backup lights and long hoses, have no magnetism at
>all. By the way, I was testing snaps that I have in a collection that
>are not on my gear. The ones on my gear are very old and I got them from
>a yacht suplly store which is no longer in business, and they were
>unable to order the ones I wanted as of about seven years ago. I try
>every one I see trying to find the best ones. So far some are from
>Brownies, some from a hardware store in Lauderdale by the Sea.
>
>I always check the stuff out of habit due ot the scooter building. I
>frequently get bullshit stainless snuck in on me, and just take it back
>for replacement. Washers are a big one for this type of corner-cutting.
>
>It is funny how the smallest detail of dive gear can make or break your
>fun.
>
>To test this stuff otherwise I hang it off the dock on a line for a few
>days. The bottom line is that the more the snap attracts money and the
>less it attracts magnets the better it is at not rusting. Springs are
>the same.
>
>houdini@gr*.xt*.ne* wrote:
>> 
>> Scott Landon wrote:
>> >
>> > unfortuneately, there are quite a few grades of stainless.  and as you can
>> > guess, some grades cost more than others.  i am by no means a 
metallurgist,
>> > but i have installed my share of piping in corrosive service in a chemical
>> > plant.  a 316 grade would be ideal.
>> >
>> > scott
>> >
>> > >From: Mike Rodriguez <mikey@ma*.co*>
>> > >To: Art Greenberg <artg@ec*.ne*>
>> > >CC: Cavers <cavers@cavers.com>, Techdiver <techdiver@aq*.co*>
>> > >Subject: Re: Stainless Steel Bolt Snaps
>> > >Date: Sat, 03 Jul 1999 19:09:25 -0400
>> > >
>> > >At 08:08 AM 7/3/99 -0400, Art Greenberg wrote:
>> > >
>> > > >I've just replaced another large SS bolt snap on my rig. This one was 
on
>> > > >my primary reel, and I had just replaced that one a week ago!
>> > >
>> > >I replaced all my brass snaps a few months ago with SS snaps
>> > >from Extreme Exposure.  I don't know where they get them, but
>> > >they're the best I've ever seen.  They're expensive, but so
>> > >far none has shown the slightest trace of corrosion and they
>> > >operate very smoothly.  I tried some cheap SS snaps from a
>> > >local hardware store and regretted it; now I'll only use the
>> > >ones from EE.
>> > >
>> > >Take a look at:
>> > >
>> > >http://www.extreme-exposure.com/accessories.shtml
>> > >
>> > >The small ones seem to be good for just about every application.
>> > >
>> > >-Mike Rodriguez
>> > ><mikey@ma*.co*>
>> .....what Scott said, many different grades of stainless. Lower numbers
>> usually are tougher, higher numbers are usually more resistant to
>> corrosion. What George said about being magnetic is a good indicator. If
>> it's magnetic - it's NOT a good grade of stainless. True 304 or 316
>> stainless isn't magnetic. (I have found alot of Japaneese stainless is
>> magnetic).
>> > >
>> >
>> > _______________________________________________________________
>> > Get Free Email and Do More On The Web. Visit http://www.msn.com
>
>
>--
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>


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