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A '''plate nut''', also known as a '''nut plate''', is a [[stamping (metalworking)|stamped]] [[sheet metal]] [[nut (hardware)|nut]] that is [[rivet]]ed to a workpiece. They have a long tube that is internally threaded and a plate with two clearance holes for rivets. They were originally developed for the [[aerospace industry]] |
A '''plate nut''', also known as a '''nut plate''', '''anchor nut''' or '''anchor plate''', is a [[stamping (metalworking)|stamped]] [[sheet metal]] [[nut (hardware)|nut]] that is usually [[rivet]]ed to a workpiece. They have a long tube that is internally threaded and a plate with two clearance holes for rivets. The most popular versions have two lugs and they exist as '''fixed anchor nuts'''<ref>{{cite web|title=fixed anchor nuts|url=http://k-nuts.com/index.php/products/metric-fixed-anchor-nuts-ecrou-aviation-a-riveter-metrique/|website=K-NUTS.com|accessdate=24 August 2014|ref=1}}</ref> and as '''floating anchor nuts'''.<ref>{{cite web|title=floating anchor nuts|url=http://k-nuts.com/index.php/products/metric-floating-anchor-nuts-ecrou-aviation-a-riveter-metrique/|website=K-NUTS.com|accessdate=24 August 2014|ref=2}}</ref> The latter allows the nut to move slightly and so enlarges the positioning tolerances of the mounted parts. They were originally developed for the [[aerospace industry]] but are now also common in [[automotive racing]].<ref name="smith">Smith, pp. 108–109.</ref> |
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These nuts are made up of variety of soft and hard materials.The choice of material depends on environment to which nut is subjected.Soft materials like copper or brass are used when nut is used in electrical application.Hard materials are used when nut is subjected to high stress environment.Sometimes stainless steel or nickel plated nuts are used in order to increase corrosion resistance. |
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[[Locknut]] types are available, which utilize a nylon locking element, much like a [[nyloc nut]].These |
[[Locknut]] types are available, which utilize deformed threads or a nylon locking element, much like a [[nyloc nut]]. These locking plate nuts are used when the nut is subjected to constant changes in environment or to vibration. The nylon insert expands and stops vibrations of the nut and acts as a locking arrangement. Other types have a floating nut or replaceable locking elements.<ref name="smith"/> A typical U.S. military specification for plate nuts is MS21047.<ref name=MS21047>{{cite web|url=http://www.everyspec.com/MS-Specs/MS2/MS21000-MS21999/download.php?spec=MS21047F.034285.pdf|publisher=US Dept of Defense|title=MS21047 Nut, self-locking, plate, two-lug, low height, steel }}</ref> |
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==See also== |
==See also== |
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*[[Rivet nut]] |
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*[[Speed nut]] |
*[[Speed nut]] |
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*[[Swage nut]] |
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==References== |
==References== |
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===Notes=== |
===Notes=== |
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{{reflist}} |
{{reflist}} |
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===Bibliography=== |
===Bibliography=== |
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*{{Citation | last = Smith | first = Carroll | author-link = Carroll Smith | title = Carroll Smith's Nuts, Bolts, Fasteners, and Plumbing Handbook | publisher = MotorBooks/MBI Publishing Company | year = 1990 | url = |
*{{Citation | last = Smith | first = Carroll | author-link = Carroll Smith | title = Carroll Smith's Nuts, Bolts, Fasteners, and Plumbing Handbook | publisher = MotorBooks/MBI Publishing Company | year = 1990 | url = https://books.google.com/books?id=A81HmmRCN7YC | isbn = 0-87938-406-9}}. |
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{{Nuts (hardware)}} |
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[[Category: |
[[Category:Nuts (hardware)]] |
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Latest revision as of 16:21, 12 December 2023
A plate nut, also known as a nut plate, anchor nut or anchor plate, is a stamped sheet metal nut that is usually riveted to a workpiece. They have a long tube that is internally threaded and a plate with two clearance holes for rivets. The most popular versions have two lugs and they exist as fixed anchor nuts[1] and as floating anchor nuts.[2] The latter allows the nut to move slightly and so enlarges the positioning tolerances of the mounted parts. They were originally developed for the aerospace industry but are now also common in automotive racing.[3]
Locknut types are available, which utilize deformed threads or a nylon locking element, much like a nyloc nut. These locking plate nuts are used when the nut is subjected to constant changes in environment or to vibration. The nylon insert expands and stops vibrations of the nut and acts as a locking arrangement. Other types have a floating nut or replaceable locking elements.[3] A typical U.S. military specification for plate nuts is MS21047.[4]
See also
[edit]References
[edit]Notes
[edit]- ^ "fixed anchor nuts". K-NUTS.com. Retrieved 24 August 2014.
- ^ "floating anchor nuts". K-NUTS.com. Retrieved 24 August 2014.
- ^ a b Smith, pp. 108–109.
- ^ "MS21047 Nut, self-locking, plate, two-lug, low height, steel" (PDF). US Dept of Defense.
Bibliography
[edit]- Smith, Carroll (1990), Carroll Smith's Nuts, Bolts, Fasteners, and Plumbing Handbook, MotorBooks/MBI Publishing Company, ISBN 0-87938-406-9.