butterfly nut


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butterfly nut

[′bəd·ər‚flī ‚nət]
(design engineering)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

wing nut

wing nut
A nut having projections so that it can be tightened with one finger and the thumb.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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