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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><style data-mw-deduplicate="TemplateStyles:r1236090951">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}@media print{body.ns-0 .mw-parser-output .hatnote{display:none!important}}</style><div role="note" class="hatnote navigation-not-searchable">For other uses, see <a href="/wiki/Wingnut_(disambiguation)" class="mw-redirect mw-disambig" title="Wingnut (disambiguation)">Wingnut</a>.</div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Wingnut-hardware.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/e/e8/Wingnut-hardware.jpg" decoding="async" width="212" height="260" class="mw-file-element" data-file-width="212" data-file-height="260" /></a><figcaption>Three wingnuts</figcaption></figure> <p>A <b>wingnut</b>, <b>wing nut</b> or <b>butterfly nut</b> is a type of <a href="/wiki/Nut_(hardware)" title="Nut (hardware)">nut</a> with two large metal "wings", one on each side, so it can be easily tightened and loosened by hand without tools. </p><p>A similar fastener with a male thread is known as a <b>wing screw</b><sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> or a <b>wing bolt</b>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Types">Types</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=1" title="Edit section: Types"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>ASME B18.6.9 classifies wing nuts first by manufacturing method and then by style. </p> <ul><li>Type A are cold forged or cold formed produced in regular, light and heavy dimensional series.</li> <li>Type B are hot forged solid nuts available in three different wing styles.</li> <li>Type C are die cast nuts available in three wing styles with variances between regular and heavy dimensional series</li> <li>Type D are stamped sheet metal nuts available in three wing styles.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Usage">Usage</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=2" title="Edit section: Usage"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Bicycles">Bicycles</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=3" title="Edit section: Bicycles"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Bicycle_wing_nuts.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Bicycle_wing_nuts.jpg/220px-Bicycle_wing_nuts.jpg" decoding="async" width="220" height="178" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Bicycle_wing_nuts.jpg/330px-Bicycle_wing_nuts.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/6f/Bicycle_wing_nuts.jpg/440px-Bicycle_wing_nuts.jpg 2x" data-file-width="1676" data-file-height="1353" /></a><figcaption>Bicycle wingnuts</figcaption></figure> <p>Before the development of <a href="/wiki/Quick_release_skewer" title="Quick release skewer">quick release skewers</a>, <a href="/wiki/Bicycle_wheel" title="Bicycle wheel">bicycle wheels</a> were held in place with wingnuts.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading3"><h3 id="Drum_hardware">Drum hardware</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=4" title="Edit section: Drum hardware"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Tom-tom_12x8.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Tom-tom_12x8.jpg/220px-Tom-tom_12x8.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Tom-tom_12x8.jpg/330px-Tom-tom_12x8.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f5/Tom-tom_12x8.jpg/440px-Tom-tom_12x8.jpg 2x" data-file-width="1024" data-file-height="768" /></a><figcaption>Three wingnuts and wingbolts supporting a drum</figcaption></figure> <p>In a <a href="/wiki/Drum_kit" title="Drum kit">drum kit</a> wingnuts and wingbolts are used extensively. </p> <ul><li>For securing a <a href="/wiki/Suspended_cymbal" title="Suspended cymbal">suspended cymbal</a> on the mounting bolt of a <a href="/wiki/Cymbal_stand" title="Cymbal stand">cymbal stand</a>.</li> <li>For securing an adjustment on a stand.</li> <li>In connection with <a href="/wiki/Memory_(drum_hardware)" class="mw-redirect" title="Memory (drum hardware)">memory</a>.</li></ul> <p>In <a href="/wiki/Drum_hardware" title="Drum hardware">drum hardware</a>, <i>memory</i> refers to any system that preserves the adjustment of a stand, boom or bracket when the kit is disassembled. </p><p>Most commonly this takes the form of a collar on a tube, fixed in place by a screw operated by a <a href="/wiki/Drum_key" class="mw-redirect" title="Drum key">drum key</a>. This collar mates with a fitting that receives the tube and secures it by means of a wingnut or wingbolt. When the stand is disassembled, only the wingnut or wingbolt needs to be loosened, and the collar remains in place, allowing the stand to be easily reassembled in exactly the same adjustment. When the stand needs to be adjusted, the collar is first loosened by means of a drum key. </p> <div class="mw-heading mw-heading3"><h3 id="Seltzer_bottle">Seltzer bottle</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=5" title="Edit section: Seltzer bottle"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The device that surrounds a CO<sub>2</sub> cartridge in a <a href="/wiki/Seltzer_bottle" class="mw-redirect" title="Seltzer bottle">seltzer bottle</a> is also a wingnut. Twisting the wingnut completes a seal around the cartridge neck; twisting a bit more causes a pin to pierce the cartridge and let the gas into the bottle. </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=6" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Mechanical_joint" title="Mechanical joint">Mechanical joint</a></li> <li><a href="/wiki/Thumbscrew_(fastener)" class="mw-redirect" title="Thumbscrew (fastener)">Thumbscrew (fastener)</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=7" title="Edit section: References"><span>edit</span></a><span 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class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.fastenal.com/products?term=wingscrew&searchMode=productSearch">"Fastenal Industrial Supplies, OEM Fasteners, Safety Products & More | Fastenal"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Fastenal+Industrial+Supplies%2C+OEM+Fasteners%2C+Safety+Products+%26+More+%26%23124%3B+Fastenal&rft_id=https%3A%2F%2Fwww.fastenal.com%2Fproducts%3Fterm%3Dwingscrew%26searchMode%3DproductSearch&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWingnut+%28hardware%29" class="Z3988"></span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><a rel="nofollow" class="external free" href="http://www.grainger.com/category/thumb-screws/screws/fasteners/ecatalog/N-8ndZ1z0koj5">http://www.grainger.com/category/thumb-screws/screws/fasteners/ecatalog/N-8ndZ1z0koj5</a> uses "thumb screw, wing"</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://www.merriam-webster.com/dictionary/wing%20bolt">"Wing bolt Definition & Meaning - Merriam-Webster"</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Wing+bolt+Definition+%26+Meaning+-+Merriam-Webster&rft_id=http%3A%2F%2Fwww.merriam-webster.com%2Fdictionary%2Fwing%2520bolt&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWingnut+%28hardware%29" class="Z3988"></span> </span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBrown" class="citation web cs1"><a href="/wiki/Sheldon_Brown_(bicycle_mechanic)" title="Sheldon Brown (bicycle mechanic)">Brown, Sheldon</a>. <a rel="nofollow" class="external text" href="http://www.sheldonbrown.com/gloss_q.html#quick">"Quick-release Wheels"</a>. Sheldon Brown<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-07-11</span></span>. <q>In 1927, Tullio Campagnolo was unable to reverse the rear wheel of his bicycle to change gears while racing over the Croce d'Aune pass in the Italian Alps. His frozen fingers were unable to loosen the wingnuts used to hold his wheels in place. This incident led to his invention of the quick release.</q></cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Quick-release+Wheels&rft.pub=Sheldon+Brown&rft.aulast=Brown&rft.aufirst=Sheldon&rft_id=http%3A%2F%2Fwww.sheldonbrown.com%2Fgloss_q.html%23quick&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWingnut+%28hardware%29" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFBrown" class="citation web cs1"><a href="/wiki/Sheldon_Brown_(bicycle_mechanic)" title="Sheldon Brown (bicycle mechanic)">Brown, Sheldon</a>. <a rel="nofollow" class="external text" href="http://www.sheldonbrown.com/singlespeed.html#k7hub">"Singlespeed Conversions - Solid-Axle vs Quick Release"</a>. Sheldon Brown<span class="reference-accessdate">. Retrieved <span class="nowrap">2011-07-11</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Singlespeed+Conversions+-+Solid-Axle+vs+Quick+Release&rft.pub=Sheldon+Brown&rft.aulast=Brown&rft.aufirst=Sheldon&rft_id=http%3A%2F%2Fwww.sheldonbrown.com%2Fsinglespeed.html%23k7hub&rfr_id=info%3Asid%2Fen.wikipedia.org%3AWingnut+%28hardware%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Wingnut_(hardware)&action=edit&section=8" title="Edit section: External links"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><span class="noviewer" typeof="mw:File"><a href="/wiki/File:Commons-logo.svg" class="mw-file-description"><img alt="" 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href="/wiki/Template:Nuts_(hardware)" title="Template:Nuts (hardware)"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Nuts_(hardware)" title="Template talk:Nuts (hardware)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Nuts_(hardware)" title="Special:EditPage/Template:Nuts (hardware)"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Nuts_(hardware)" style="font-size:114%;margin:0 4em"><a href="/wiki/Nut_(hardware)" title="Nut (hardware)">Nuts (hardware)</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acorn_nut" title="Acorn nut">acorn</a></li> <li><a href="/wiki/Sex_bolt" title="Sex bolt">axial barrel</a></li> <li><a href="/wiki/Barrel_nut" title="Barrel nut">barrel</a></li> <li><a href="/wiki/Cage_nut" title="Cage nut">cage</a></li> <li><a href="/wiki/Threaded_insert#Captive_nut" title="Threaded insert">captive</a></li> <li><a href="/wiki/Castellated_nut" title="Castellated nut">castellated</a></li> <li><a href="/wiki/Clip-on_nut" title="Clip-on nut">clip-on</a></li> <li><a href="/wiki/Coupling_nut" title="Coupling nut">coupling</a></li> <li><a href="/wiki/Distorted_thread_locknut" title="Distorted thread locknut">distorted thread locknut</a></li> <li><a href="/wiki/Flange_nut" title="Flange nut">flange</a></li> <li><a href="/wiki/Frangible_nut" title="Frangible nut">frangible</a></li> <li><a href="/wiki/Insert_nut" title="Insert nut">insert</a></li> <li><a href="/wiki/Interfering_thread_nut" title="Interfering thread nut">interfering thread</a></li> <li><a href="/wiki/Internal_wrenching_nut" title="Internal wrenching nut">internal wrenching</a></li> <li><a href="/wiki/Jam_nut" title="Jam nut">jam</a></li> <li><a href="/wiki/Jet_nut" title="Jet nut">jet</a></li> <li><a href="/wiki/Keps_nut" title="Keps nut">Keps</a></li> <li><a href="/wiki/Knurled_nut" title="Knurled nut">knurled</a></li> <li><a href="/wiki/Locknut" title="Locknut">locknut</a></li> <li><a href="/wiki/Lug_nut" title="Lug nut">lug</a></li> <li><a href="/wiki/Nyloc_nut" title="Nyloc nut">nyloc</a></li> <li><a href="/wiki/Plate_nut" title="Plate nut">plate</a></li> <li><a href="/wiki/Rivet_nut" title="Rivet nut">rivet</a></li> <li><a href="/wiki/Serrated_face_nut" title="Serrated face nut">serrated face</a></li> <li><a href="/wiki/Speed_nut" title="Speed nut">speed</a></li> <li><a href="/wiki/Split_nut" title="Split nut">split</a></li> <li><a href="/wiki/Split_beam_nut" title="Split beam nut">split beam</a></li> <li><a href="/wiki/Square_nut" title="Square nut">square</a></li> <li><a href="/wiki/Swage_nut" title="Swage nut">swage</a></li> <li><a href="/wiki/T-nut" title="T-nut">T-nut</a></li> <li><a href="/wiki/T-slot_nut" title="T-slot nut">T-slot</a></li> <li><a href="/wiki/Weld_nut" title="Weld nut">weld</a></li> <li><a href="/wiki/Well_nut" title="Well nut">well</a></li> <li><a class="mw-selflink selflink">wingnut</a></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Wingnut_(hardware)&oldid=1188937516">https://en.wikipedia.org/w/index.php?title=Wingnut_(hardware)&oldid=1188937516</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Category</a>: <ul><li><a href="/wiki/Category:Nuts_(hardware)" title="Category:Nuts (hardware)">Nuts (hardware)</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Hidden category: <ul><li><a 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