A split beam nut, also known as a split hex nut or slotted beam nut, is a locknut 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 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 strength grades retain their locking ability up to 1,400 °F (760 °C), unlike nyloc nuts. Military grade nuts can be reused at least a dozen times.
Aerotight is a tradename for a specific type of split beam nut.
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Famous quotes containing the words split, beam and/or nut:
“When I split an infinitive, God damn it, I split it so it will stay split.”
—Raymond Chandler (1888–1959)
“Why beholdest thou the mote that is in thy brother’s eye, but considerest not the beam that is in thine own eye?”
—Bible: New Testament Jesus, in Matthew, 7:3.
From the Sermon on the Mount.
“In a good play every speech should be as fully flavoured as a nut or apple.”
—J.M. (John Millington)