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Old 04-01-2005, 11:37 PM   #1
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Elevator bolts?????????????

I am getting ready to buy my elevator bolts and have a few questions. What size were the originals? Can they be shorter since I don't have to bend them over? Which finish of bolt? Stainless? Galvanized? Zinc? Also, are most of you just using the original holes between where the plywood butts together? Or is it better to drill new holes in the frame and through the edges of each sheet? I searched the threads and couldn't find any specific answers to these questions. Thanks in advance!
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Old 04-02-2005, 01:19 AM   #2
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Originally Posted by 58BUBBLE
I am getting ready to buy my elevator bolts and have a few questions. What size were the originals? Can they be shorter since I don't have to bend them over? Which finish of bolt? Stainless? Galvanized? Zinc? Also, are most of you just using the original holes between where the plywood butts together? Or is it better to drill new holes in the frame and through the edges of each sheet? I searched the threads and couldn't find any specific answers to these questions. Thanks in advance!
I used galvenized elevator bolts mostly because that was what I could find locally. Are you finding a source of stainless ones? It couldn't hurt to use stainless but I for one don't think it is necessary. All my originals seemed to be 1/4" diameter so that is what I went with. My old ones were sufficiently rusted that I could not tell if they had originally be galvenized or not but I am pretty sure they were not stainless steel. I also used lock nuts of the type with the nylon insert. I think your bolts can be shorter because they are not going to be bent over. Or you could bend them like the originals I suppose. For what it is worth I did not find a single missing nut because of the technique of bending the bolts. It did work. I used a combination of elevator bolts and self-drilling self-tapping screws for my installation. I did drill new holes mostly because I was working from above and it would be pretty hard to align with the old ones.

I hope this helps,

Malcolm
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Old 04-02-2005, 08:22 AM   #3
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I used 'painted' elevator bolts, 1/4" x 1 1/4". I used regular lock washers and nuts. I drilled new holes for the same reason Malcolm did.

The original bolts were non-galvanized, and mine had very slight surface rust. That may be because the trailer was never near the ocean.

If you can find stainless (I couldn't) that would be great. Galvanized would be good. If you can't get galvanized, you can paint them, like I did.
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Old 04-02-2005, 08:46 AM   #4
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I have the same bolts as Don - have not installed them yet, but plan to use the old holes drilling up from the bottom, then have someone push them in while I put a lockwasher and nut on them - I will also use nylocks just to make sure, not planning to bend them. I plan to paint mine also.

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Old 06-09-2005, 02:12 PM   #5
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Does anyone have an online source for the galvanized elevator bolts?
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Old 06-09-2005, 02:25 PM   #6
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I got mine at Barnhill Bolt - don't know if they have galvanized though
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Old 06-09-2005, 03:04 PM   #7
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The previous owner of my gem had installed a black water tank just over a year ago and the zinc coated bolts he used are ALREADY RUSTING! He didn't get the belly pan re-installed, but the trailer has lived in an area that gets less than 11.5 inches of rain a year!!



Zinc is, in my opinion, about the worst water resistant bolt coating that can be had. Iím going to use galvanized bolts, if I can find them.
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Old 06-09-2005, 03:27 PM   #8
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If you can find stainless (I couldn't) that would be great.
McMaster-Carr has them. Search for "stainless elevator bolt".

Bob
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Old 06-09-2005, 03:39 PM   #9
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Will zink coated bolts rust faster than plain old steel bolts?

Ken J
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Old 06-09-2005, 04:05 PM   #10
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Mcmaster, one of my favorite places.

Zinc coating will protect the steel, so they will not rust as fast.

John
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Old 06-09-2005, 04:27 PM   #11
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[color=black]The previous owner of my gem had installed a black water tank just over a year ago and the zinc coated bolts he used are ALREADY RUSTING!
Spiffy,

You have a pretty severe problem if the zinc coated bolts are already rusting. The zinc is a sacrificial metal, meant to protect the steel underneath. As long as there is some zinc left, it will 'suck up' stray electrons and protect the steel.

As soon as all the zinc is gone, the stray current will start to work on the steel, then you will have a major problem.

It's possible the previous owner used something in the attaching hardware, straps, or framing that is causing premature corrosion.

Get it looked at before you put the belly back on.
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Old 06-09-2005, 04:49 PM   #12
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Does it help to paint the zinc coated bolts where they are exposed?

Ken J.
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Old 06-09-2005, 05:00 PM   #13
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Does anyone have an online source for the galvanized elevator bolts?
Off hand, although I wish you luck, I would be surprised if anyone offered galvanized bolts as their original design use did not include the way Airstreamers use them.

Although the best thing, obviously, would be to locate them, you may want to consider using the "commonly available" steel ones (usually black in color), and painting them with Rustoleum's cold galvanizing paint.

Unless, that is, your pockets are deep enough to buy the stainless steel offering. {Imagine a "I am not worthy" icon here. }

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Old 06-09-2005, 05:18 PM   #14
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...and painting them with Rustoleum's cold galvanizing paint...
After installation

(editing clock got me )

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