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  #1  
Old 07-12-2012, 01:42 AM
Berchmans Berchmans is offline
 
Join Date: Nov 2009
Location: Anchorage, Alaska
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Default Tip: Nutplates and Dental Floss

First, Drill a #40 hole where the center of the nutplate will be and cleco the nutplate in place on the surface. Use the nutplate as a guide to drill the mounting holes.


Now remove the clecos and feed both ends of the dental floss into the nutplate mounting holes which have been drilled into the surface.


With a long piece of tie wire fish out both ends of the dental floss.


Once you have fished out both ends run them through the nutplate mounting holes and tie the ends together. Be sure to orient the nutplate so when pulled into place it sits properly on the surface.


Pulling the dental floss snug the nutplate to the inside surface and insert a cleco in the center hole to hold it in place. Before doing this remember to enlarge the center hole to the proper diameter for the fastener planned.


Now remove the dental floss, install a second cleco in one of the outer mounting holes, remove the center cleco and install a pulled rivet.


Remove the last cleco and install the second pulled rivet.


Congratulations, you have installed an nutplate in a place you can't possibly reach...very handy.
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  #2  
Old 07-12-2012, 06:51 AM
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N546RV N546RV is offline
 
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Location: Brookshire, TX
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Default

That is extremely cool.

That said, I feel like I'm either missing something or just plain dumb, because I don't understand how that little silver cleco grips the center hole in the nutplate in this photo:


I mean, clearly it works, and thus the deficiency is in my head...someone enlighten me here.
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  #3  
Old 07-12-2012, 07:16 AM
JoeLofton JoeLofton is offline
 
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Posts: 151
Default

You need a cleco sized to match the nutplate screw size.
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  #4  
Old 07-12-2012, 07:53 AM
RV9A Bill RV9A Bill is offline
 
Join Date: Aug 2008
Location: Lawton, OK
Posts: 265
Default Dental floss

I've used fishing line.
RV9A Bill
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  #5  
Old 07-12-2012, 08:26 AM
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ppilotmike ppilotmike is offline
 
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Location: Denver, CO
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Default

Quote:
Originally Posted by N546RV View Post
That is extremely cool.

That said, I feel like I'm either missing something or just plain dumb, because I don't understand how that little silver cleco grips the center hole in the nutplate in this photo:


I mean, clearly it works, and thus the deficiency is in my head...someone enlighten me here.
It holds b/c he only drilled a #40 hole in the center, which the cleco is grabbing. I assume that once the nutplate is installed, then he would enlarge the hole for the size of the screw. However, you could enlarge (and/or dimple or countersink) the hole beforehand as long as your cleco was sized appropriately.
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  #6  
Old 07-12-2012, 08:35 AM
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Ironflight Ironflight is offline
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Default

A silver cleco will hold a #6 nutplate. A bronze cleco will hold a #8.
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  #7  
Old 07-12-2012, 09:54 AM
Berchmans Berchmans is offline
 
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Default correct

Ironflight nailed it...in this case I was installing a #6.
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  #8  
Old 07-12-2012, 11:09 AM
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panhandler1956 panhandler1956 is offline
 
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Location: Ohio
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Default

Great tip!

That is truly inventive! Thanks for sharing!
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  #9  
Old 07-12-2012, 11:15 AM
PaigeHoffart PaigeHoffart is offline
 
Join Date: Jun 2005
Posts: 376
Default

You can also use insulated wire. #12 house wire works well for a #8. Push the wire through the screw hole, thread the nutplate on the wire's insulation, pull the nutplate back in, manipulate it to line up the holes, cleco, rivet, and unscrew the wire.

Paige
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  #10  
Old 07-12-2012, 11:53 AM
molson309 molson309 is offline
 
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Location: Longmont, CO
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I use a piece of safety wire through the center hole. Push it through, fish it out and drop the nutplate over it, then bend the end of the wire in a loop that will capture the nut. Pull it back to the hole, rotate the wire until the outer holes line up, then cleco the ears. Pull hard on the wire and it comes free, pop rivet the ears, presto - done. Very similar to the floss method but I find safety wire can be pushed through blind areas easier because of its stiffness.
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