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Thread: Blind Fasteners

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    Default Blind Fasteners



    Anyone have any experience with either of these? Know of something better? I'm planning on doing two things with them- replacing some self-tappers on my sliders (it's already been welded and gusseted, it's just further overkill) and adding them to many places on my offroad trailer frame to make sure my amateur welding doesn't break up at 75mph and kill someone.




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    Default Re: Blind Fasteners



    Definitely seems overkill, but if it makes you feel more confident then its worth it. Those look kind of expensive, and the money might be better spent having a qualified welder come spend an hour going over your welds and fixing any that they think need it (and show you why and how to do it correctly next time).

    If you want something you can use more then once, check out Rivnuts. They install like a rivet, but have a threaded insert so you can put a bolt in it. Great for body panels and other stuff like that and they are designed to be installed with a blind side of material like the ones you posted too.

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    Paul (December 12th, 2013)

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    Default Re: Blind Fasteners



    Haku previously posted:
    "If you want something you can use more then once, check out Rivnuts."

    I'd agree with Josh on this one. I've used these under the hood on my battery boxes and steering pump reservoir to make them removable. The ones you were looking at are a one time use fastener. Once you remove the bolt the swedging nut drops off and falls inside the tube.

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    Paul (December 12th, 2013)

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    Default Re: Blind Fasteners



    We use rivnuts on some applications at the shop. Good stuff!

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    Paul (December 12th, 2013)

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    Default Re: Blind Fasteners



    Haku previously posted:
    "Definitely seems overkill, but if it makes you feel more confident then its worth it. Those look kind of expensive, and the money might be better spent having a qualified welder come spend an hour going over your welds and fixing any that they think need it (and show you why and how to do it correctly next time).

    If you want something you can use more then once, check out Rivnuts. They install like a rivet, but have a threaded insert so you can put a bolt in it. Great for body panels and other stuff like that and they are designed to be installed with a blind side of material like the ones you posted too."

    Thanks for the input! Boxbolts are about $5.00 each, I would use 16 o the sliders so not too expensive. Brody welded them on, not me, I wouldn't trust me. Rivnuts are cool, but I'm never removing them (they're welded on anyway) so that's not a consideration. I'm considering the Huckbolts because xventure uses them, but I'm open to finding better! Xventure actually doesn't weld the frame, just huckbolts.


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    Default Re: Blind Fasteners



    Been using hucks for a while now on a much smaller scale
    Honda & VW use them on plate bolts & some subframe systems.
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    Default Re: Blind Fasteners



    I used them to mount my roof rack I had on the ranger, worked great just need to make sure to get a good pinch on the steel they are mounted in or they will spin when tightening or loosening bolts.

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    Default Re: Blind Fasteners



    We use the Hucks at work. When properly applied, they are awesome! Unfortunately, they require specialized equipment to apply. Also, if you screw up, you have to cut the bad one off.

    As for trailer design, that's another topic...
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    Default Re: Blind Fasteners



    Most of them Iv seen come loose
    Once they spin they need to be cut out
    Real PIA !!
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    Default Re: Blind Fasteners



    The Nemesis Sliders and Fenders I installed used Rivnuts, they worked pretty slick and you need special drill bits and tool to crimp them. Looks like the Hucks may work on thicker stock, I think Rivnuts are just for sheet metal. Although looking at their specs, they do have some large ones that will grip up to a 1/4 inch
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    Default Re: Blind Fasteners



    I've used rivnuts on up to 3/8" stock with pretty good luck.

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    Default Re: Blind Fasteners



    Hucks are used extensively on large aircraft and, as previously mentioned, if properly installed- hole prep, grip length and in proper numbers are as secure as anything you'd need. If you have the tooling and resources, go for it!

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