Blind Fasteners
Blind Fasteners
(OP)
I have letters of the alphabet that need to be mounted on the wall. Visible fasteners are not allowed. There is no access to the back side of the wall, fastening from the back is impossible. The leters are 6" x 6" x .395" and made of aluminum. They should be fixed against the wall in left/right and up/down directions. This is an aesthetic application and each fastener should be no more than .5" dia, as the letter needs to cover each fastener when in the final position on the wall. I am imagining ~4 fasteners per letter, hopefully achieving a 20+ lb total pull appart force.
Has anyone seen some sort of christmas tree (push pin type plastic fastener used commonly in automotive applications) that is made of aluminum (or?) and has one end threaded?
Looking for ideas, we have gone over many, but there has to be more...
Thanks,
Has anyone seen some sort of christmas tree (push pin type plastic fastener used commonly in automotive applications) that is made of aluminum (or?) and has one end threaded?
Looking for ideas, we have gone over many, but there has to be more...
Thanks,





RE: Blind Fasteners
Ted
RE: Blind Fasteners
RE: Blind Fasteners
RE: Blind Fasteners
Note, I'm assuming you want the backside of the letters flush to the wall surface.
RE: Blind Fasteners
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RE: Blind Fasteners
Can the wall be damaged in any way?
What's the wall made of?
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RE: Blind Fasteners
The wall is a composite made up of two layers of phenolic prepreg, nomex honeycomb core, and two more layers of phenolic prepreg, totalling ~.75" thick.
Magnets (various concepts) have been modeled, but are lacking "buy off" by the end users. The perception that there is no mechanical interlock holding them to the wall is hard for them to swallow...
RE: Blind Fasteners
RE: Blind Fasteners
What about some type of interference fit soft metal pins? A 1/8-1/4" dia pin that has ridges that run axially up and down the length of the pin, that presses gently into each component...
Has anyone seen or used something like this?
RE: Blind Fasteners
You could use a profile with a snap fit.