They sure are! if you go to F12's web site, you can read all about the rivets!
This was plagerized from their site...
http://force12inc.com/Force12-bro2002-5-5.htm
>RIVETS Yes, rivets! Force 12 is the first manufacturer to provide riveted
>element construction. The rivets used by FORCE 12 are from the aircraft
>industry and are called "closed end" rivets, since they are solid
>aluminum, with no hole. They are designed specifically for applications
>with vibration. If necessary, they can be drilled out for repairs or
>transport and new rivets installed for re-assembly. The use of sheet metal
>screws tends to render disassembly difficult at best, since material from
>the inner tube is pulled into the hole and into the space between the
>tubes. Hose clamps can break or become loose and present a nuisance when
>erecting the antenna.
At 12:21 AM 9/11/02 -0400, you wrote:
>I do not have much acquaintance with the Force 12 products, but am
>wondering if the pop rivits shipped
>with a new beam are the closed end (sealed) type. This could explain
>*some* of the cost differential.
>Anyone know for sure??
>
>Tom - WA2BPE
>
>Dale L Martin wrote:
>
> > That's very interesting.
> >
> > I'm cross posting this to F12 reflector also.
> >
> > I have read N6BT's writeup about rivets someone sent to the towertalk
> > reflector the other day. That was interesting reading, too. My Force 12
> > manuals (C3, C3E, C4) only mention in passing the 'type' of rivet used, but
> > in both Tom's writeup and in the manuals, no mention is made of the
> > make/model number of the Force12-preferred rivets.
> >
> > I'm going to be needing some rivets to reassemble a partialy disassembled
> > F12 C4 soon. Home Depot-purchased rivets worked well on my C3/E, so I'm
> > sure they will work with my recently purchased (used) C4.
> >
> > 73,
> > dale, kg5u
> >
> > > -----Original Message-----
> > > From: N6ZO@aol.com [mailto:N6ZO@aol.com]
> > > Sent: Tuesday, September 10, 2002 05:10
> > > To: kg5u@hal-pc.org; towertalk@contesting.com
> > > Subject: Re: [Towertalk] C3 Rivets
> > >
> > >
> > > The rivets that came with my c31xr came in a plactic zip lock
> > > bag, no model
> > > number or markings. My dog loves zip lock bags and when I found
> > > the bag with
> > > the bottom chewed out and minus the rivets I called F12 to get 25 more
> > > rivets. I was charged $20. I had some of the same size rivets
> > > on hand and I
> > > think the whole box was under $5 for a couple hundered of them at
> > > home depot.
> > > The head on the home depot rivets was slightly smaller than the
> > > ones that
> > > came with the C31. I am sure the ones I got at home depot would
> > > have worked
> > > fine. Not wanting to find out the hard way that I was wrong and
> > > to preserve
> > > the structural integrety, I ordered the factory version anyway.
> > > Not sure
> > > how much of the 20 dollar charge was "shipping and handling" .
> > >
> > > 73
> > >
> > > chet
> >
> > _______________________________________________
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>_______________________________________________
>Self Supporting Towers, Wireless Weather Stations, see web site:
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>Call 888-333-9041 to place your order, mention you saw this ad and take an
>additional 5 percent off
>any weather station price.
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Dino...k6rix@arrl.net
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