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Good bolt or Bad bolt
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By 20 kN
Administrator
From Hawaii
Sep 26, 2012
Greg D wrote:
Eek. Retro is a naughty word. Means adding bolts that weren't there. Rebolt is more like it. Means replacing existing bolts in existing locations.

Eh, semantics. It needs to be replaced with a new shiny bolt.

FLAG
By Sam Lightner, Jr.
From Lander, WY
Sep 26, 2012
The Shield
I stand corrected.

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By nbrown
From western NC
Aug 7, 2013
Top of Shortoff with the Bonsai
Bad bad bolt...  in NC
Bad bad bolt... in NC


Quality replacement!
Quality replacement!

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By Dylan B.
Aug 7, 2013
Orgasm Direct, Devil's Lake, 5.11a  c. 2008
Sam Lightner, Jr. wrote:
Greg, matters just as much here. Captain Mo, there are people who like to say "minor surface corrosion", and I am refering to them as a group. BTW< Brian, I dont think its hilti... I think its your standard "whatever" at the hardware store. Hiliti KBll's have that larger nut. That nut looks small, like its imperial rather than metric.


FWIW, all three hardware stores where I have worked stocked only Rawl brand anchor bolts.

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By Locker
From Yucca Valley, CA
Aug 20, 2013
...
"The bolt is an old FIXE "Stainless Steel Hanger".


Uh...

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By Chris Vinson
Aug 21, 2013
Locker wrote:
"The bolt is an old FIXE "Stainless Steel Hanger". Uh...


Err...

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By Locker
From Yucca Valley, CA
Aug 23, 2013
...
"
Locker wrote:

"The bolt is an old FIXE "Stainless Steel Hanger". Uh...


Err..."
...


Ugh...

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By Kyle Kimball
From Asheville, NC
Aug 23, 2013
J Clarks
nbrown wrote:

Where is that bolt? There's a pretty similar one at the end of the first pitch of First Return at LG- so sketchy, don't know why it's still there.

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By joshf
From missoula, mt
Aug 23, 2013
Me
Dom wrote:
Pretty standard plated steel bolt on an SS hanger. Not the greatest but this one doesn't look too bad. I'd whip on it for sure but over the long term this bolt will have to be replaced.


The mixed metals will lead to other, non visible weaknesses in the structural integrity of the hanger and the bolt. Where are the engineers/chemists on this thread?

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By kennoyce
From Layton, UT
Aug 23, 2013
Climbing at the Gallery in Red Rocks
joshf wrote:
The mixed metals will lead to other, non visible weaknesses in the structural integrity of the hanger and the bolt. Where are the engineers/chemists on this thread?


Ummm, No. I'm one of the engineers on this thread, and the issue with mixed metals is that it may cause galvanic corrosion (i.e. rusting of the bolt where it contacts the hanger). In this case, because the hanger is painted, there is probably no contact between the two types of metal, so galvanic corrosion won't occur (unless the paint has been scratched off or something).

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