wing screw

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Related to wing screw: wing bolt

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Noun

wing screw - a threaded nut with winglike projections for thumb and forefinger leverage in turning

butterfly nut, thumbnut, wing nut, wing-nut

nut - a small (usually square or hexagonal) metal block with internal screw thread to be fitted onto a bolt

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References in periodicals archive ?

The CTL.476 (wing nut) and the CTL.476p (wing screw) run from M4 with 20mm head to M10 with 56mm head in glass reinforced polyamide technopolymer.

New Clamping Hand Knobs from Elesa

The retractor's flexible arm can be moved into any position by adjusting a wing screw. The endoscope is then re inserted through the speculum, placed into the nose, and fixed in any position the physician prefers.

Novel use of a Leyla-Yasargil retractor as an endoscope holder during endoscopic sinus surgery

Turn the frame upside down, insert the saw blade in the front wing screw of the frame.