Castellated nut: Difference between revisions
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A '''castellated nut''', also called a '''castle nut''', '''flower nut''' or '''slotted nut''', is a [[nut (hardware)|nut]] with slots (notches) cut into one end.<ref name="barret">{{Citation | last = Barrett | first = Rich | title = Fastener Design Manual | url = http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900009424_1990009424.pdf}}.</ref> The name comes from the nut’s resemblance to the [[crenellated]] parapet of a [[medieval castle]]. |
A '''castellated nut''', also called a '''castle nut''', '''flower nut''' or '''slotted nut''', is a [[nut (hardware)|nut]] with slots (notches) cut into one end.<ref name="barret">{{Citation | last = Barrett | first = Rich | title = Fastener Design Manual | url = http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900009424_1990009424.pdf}}.</ref> The name comes from the nut’s resemblance to the [[crenellated]] parapet of a [[medieval castle]]. |
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The [[Screw|bolt]] or axle has one or two holes drilled through its threaded end. The nut is [[torque]]d properly and then, if the slot is not aligned with the hole in the fastener, the nut is rotated forward to the nearest slot. The nut is then secured with a [[split pin]] or [[safety wire]]. It is a [[positive locking device]].<ref name="barret"/> |
The [[Screw|bolt]] or axle has one or two holes drilled through its threaded end. The nut is [[torque]]d properly and then, if the slot is not aligned with the hole in the fastener, the nut is rotated forward to the nearest slot. The nut is then secured with a [[split pin]], R-clip or [[safety wire]]. It is a [[positive locking device]].<ref name="barret"/> |
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Castellated nuts are used in low-torque applications, such as holding a [[Rolling-element bearing|wheel bearing]] in place.<ref name="barret"/> |
Castellated nuts are used in low-torque applications, such as holding a [[Rolling-element bearing|wheel bearing]] in place.<ref name="barret"/> |
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Revision as of 17:27, 23 September 2014
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A castellated nut, also called a castle nut, flower nut or slotted nut, is a nut with slots (notches) cut into one end.[1] The name comes from the nut’s resemblance to the crenellated parapet of a medieval castle.
The bolt or axle has one or two holes drilled through its threaded end. The nut is torqued properly and then, if the slot is not aligned with the hole in the fastener, the nut is rotated forward to the nearest slot. The nut is then secured with a split pin, R-clip or safety wire. It is a positive locking device.[1]
Castellated nuts are used in low-torque applications, such as holding a wheel bearing in place.[1]
References
Wikimedia Commons has media related to Castellated nuts.
- ^ a b c Barrett, Rich, Fastener Design Manual (PDF).