RE: [DML] Re: M5 Rivnuts (Fiberglass filler for installing new?)
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RE: [DML] Re: M5 Rivnuts (Fiberglass filler for installing new?)



The beauty of these particular ribbed riv-nuts is the hole diameter is about
30% larger than NOS, so 90% of the time you won't have to do fiberglass
work, and they are much stronger than any Jack-nut I've seen. OK that's it.
if you still disagree I give up.white flag time :-) 


Rob Grady,


P.J.Grady Inc.



From: dmcnews@xxxxxxxxxxxxxxx [mailto:dmcnews@xxxxxxxxxxxxxxx] On Behalf Of
Sent: Wednesday, January 27, 2010 10:22 AM
To: dmcnews@xxxxxxxxxxxxxxx
Subject: [DML] Re: M5 Rivnuts (Fiberglass filler for installing new?)



OK, I know what you are describing. The "ribbed" riv-nuts are not as
sensitive to the hole size and "bite" into the fiberglass. The jack-nuts are
not as weak as you might expect and instead of spinning when they "freeze"
to the bolt, they break apart making removal easier than the riv-nuts. Every
fastener is specifically designed for it's purpose, some work better in
certain places than others. Jack nuts can be very useful for replacing where
a riv-nut has messed up the hole in the fiberglass and is less sensitive to
hole size. In fact in some instances where the hole was very enlarged I just
use washers over the jack nut. This way I can keep the fastener in the same
location and I don't have to do any fiberglass repair! I don't think you
could do that with a ribbed riv-nut.
David Teitelbaum

--- In dmcnews@yahoogroups <> .com,
<rob@...> wrote:
> Hi Dave,
> Actually Dave what I'm calling a "ribbed aluminum Riv-nut" is exactly
> It has a solid body but ribbed sides that provide more grip. These are
> stronger than either "jack-nuts" or "well-nuts" which "Mr. G" correctly
> identifies as such. Jack-nuts have four open ribs quite like, as you said,
> an expansion nut but are therefore WEAKER than Riv-nuts. Well-nuts are
> rubber except for the threads and are the weakest of all. Whoever told you
> that Riv-nuts are not intended for fiberglass must not have been talking
> t

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