A split beam nut, also known as a split hex nut
[.] or slotted beam nut,
is a
locknut
A locknut, also known as a lock nut, locking nut, self-locking nut, prevailing torque nut,. stiff nut or elastic stop nut, is a nut that resists loosening under vibrations and torque. Prevailing torque nuts have some portion of the nut that de ...
with slots cut in the top that separate the outside end into two
[.] or more sections that are bent slightly inward, making the thread diameter undersized in the slotted portion. As the
nut
Nut often refers to:
* Nut (fruit), fruit composed of a hard shell and a seed, or a collective noun for dry and edible fruits or seeds
* Nut (hardware), fastener used with a bolt
Nut or Nuts may also refer to:
Arts, entertainment, and media Co ...
is threaded on, these sections are forced back out to their original position and increase the friction between the nut and the fastener, creating the locking action.
High temperature use
High strength grades retain their locking ability up to , unlike
nyloc nut
A nyloc nut, also referred to as a nylon-insert lock nut, polymer-insert lock nut, or elastic stop nut, is a kind of locknut with a nylon collar that increases friction on the screw thread.
The nylon collar insert is placed at the end of the nut, ...
s. Military grade nuts can be reused at least a dozen times.
[Smith, p. 105]
Trademark
Aerotight is a tradename for a specific type of split beam nut.
Other names for this type of nut are stiff nut and Allmetal self locking nut.
See also
*
Elliptical offset locknut A distorted thread locknut,McMaster, p3139 is a type of locknut that uses a deformed section of thread to keep the nut from loosening from vibrations or rotation of the clamped item. They are broken down into four types: elliptical offset nuts, ce ...
References
Notes
Bibliography
*.
{{Nuts (hardware)
Nuts (hardware)