wing nut

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wing nut

a threaded nut tightened by hand by means of two flat lugs or wings projecting from the central body

wing nut

[′wiŋ ‚nət]
(design engineering)
An internally threaded fastener with wings to permit it to be tightened or loosened by finger pressure only. Also known as butterfly nut.

wing nut

wing nut
A nut having projections so that it can be tightened with one finger and the thumb.
References in periodicals archive ?
Drop the saw over the bolts and lock it in place with wing nuts.
Mount the slide braces by sliding them into place through their 7/16"-diameter, sleeve-lined mounting holes and hold in place with wing nuts and flat washers.
Then attach this to the tire rim using the three 1/4" x 3/4" bolts with wing nuts.
Photo: Threaded rod, washer, and wing nut draw frame tight around the tub.
For smaller clamping or fixing the EWNM-SST wing nuts (also male or female) allow high tightening torque valves in M5 to M10 sizes.
It disassembles in about 20 minutes using wing nuts and hairpins, and stores flat in five pieces.
Clamp bands and wing nuts on the inlet and outlet pipes allow rapid dissembly, cleaning and reassembly.
Now that the election results are in, I am laughing out loud at the right- wing nuts on talk radio.
2-6-inch lengths of a 2x4 board (a 2x4 is 1-1/2" thick and 3-1/2" wide) * 2-4" long #10 machine screws * 2-#10 wing nuts * wood glue * standard 9"x11" sandpaper sheets (They will be cut in two.
Wing nuts on each U-bolt tighten the wood block against the shaft.
Until you're ready to erect the Pyramid on site, fully tighten only the wing nuts of the bottom center triangles.
If joints loosen, they can be tightened by turning the wing nuts.