[prkaye]

What are "floating" anchor nuts (F2000-xx). These are the only type spruce has for #4 screws.

 

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floating nut plate

the center 'nut' is captured in the plate so that it can move around a bit allowing for less than perfect alignment of the holes to get the screw going.

 

[ronschreck]

Unlike a nut plate where the threads are cut from the plate itself, with a floating nut plate the self-aligning "nut" is captured in a cage to allow some movement. This allows for attachment of structures despite relative misallignment one with another. They also cost more.

 

[prkaye]

Thanks guys!

 

[Isaac]

RE: Floating Anchor Nuts

Cleveland tools carries the standard (K1000) #4 nutplate in their wing tip installation hardware.

https://www.cleavelandtoolstore.com/prodinfo.asp?number=GMS21047L04

Another source for hardware (plate nuts etc.) is Bon Aero

http://www.bonaero.com

 

[Shockwave]

Spruce has regular #4 nutplates. Not sure why they don't list the thread.

MK1000-04

 

[prkaye]

i actually need the 1-lug variety... only the floating ones seem to be listed for #4.

 

[OceanBob]

Phil

Just get the standard MS21047-L04 (two lug) and cut one end off.

The threads will be 4-40.

The L06 is 6-32
The L08 is 8-32
The L3 is 10-32
The L4 is 1/4-28

 

[dmaib]

GAHCO or Bonaero will have all of the varieties (one lug, small lugs, corner lugs, etc.) of floating nutplates you require. They are more expensive, but are pretty nice to work with.