Track bar and grade bolt?

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01-24-2004, 04:26 PM

#51

Sean Prinz

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Re: Track bar and grade bolt?

I'll look through my stuff, it was in the instruction book, I thought it
was weird especially since I had already purchased grade 8 bolts to mount
it...cost me another trip to the store.

Sean

"Jerry Bransford" <jerrypb@mecox.net> wrote in message
news:hRAQb.11452$bg1.11019@fed1read05...
>
>
> "Sean Prinz" <s_prinz@msn.com> wrote in message
> news:but0f8$lv1nu$1@ID-137890.news.uni-berlin.de...
> > When I got my winch, Warn said not to use grade 8 bolts for mounting it
> > because of the brittleness. The directions said to use grade 5 to
prevent
> > snapping them off.
>
> Exactly WHO at Warn said that? If it's in written format from Warn, I'd
> LOVE to see a copy. That's the one of the stupidest things I've ever
heard.
> I am not saying Grade 8 bolts are needed, they aren't, but Grade 8 bolts
> sure as hell aren't going to snap before a Grade 5 will.

And
my
> Warn winch instructions sure don't warn against using Grade 8 bolts.
>
> Jerry
> --
> Jerry Bransford
> To email, remove 'me' from my email address
> N6TAY, PP-ASEL
> See the Geezer Jeep at
> http://members.***.net/jerrypb/
> > Sean
> >
> >
> > "Jerry Bransford" <jerrypb@mecox.net> wrote in message
> > news:bufQb.9744$bg1.5492@fed1read05...
> > > Mike, maybe you got a "fake" Grade 8 bolt but a Grade 8's shear
strength
> > > truly is greater than a Grade 5. A Grade 5 will DEFORM before it
breaks
> > > giving perhaps greater warning than a Grade 8 will but it will still
> > > snap/shear before a Grade 8 will even begin to deform... but a Grade 8
> > will
> > > not deform as much as a Grade 5 will before it snaps.
> > >
> > > Jerry
> > > --
> > > Jerry Bransford
> > > To email, remove 'me' from my email address
> > > N6TAY, PP-ASEL
> > > See the Geezer Jeep at
> > > http://members.***.net/jerrypb/
> > >
> > > "Mike Romain" <romainm@sympatico.ca> wrote in message
> > > news:40117ECB.CCC8C4CD@sympatico.ca...
> > > > And then real life steps in and all the math goes out the window....
> > > >
> > > > Mike
> > > >
> > > > Jim Boucher wrote:
> > > > >
> > > > > The shear strength of a fastener is typically about 60% of its
> > ultimate
> > > tension
> > > > > strength. A Grade 8 bolt has a 30% higher tensile strength than a
> > > similar Grade
> > > > > 5.
> > > > > Do the math. Use Grade 8.
> > > > > Jim
> > > > >
> > > > > 88 Grand Wagoneer
> > > > > 89 Wrangler
> > > > > 00 Grand Cherokee
> > >
> > >
> >
> >
>
>