Safety wire or lockwire is a type of positive locking device that prevents fasteners from loosening due to vibration and other forces. The presence of safety wiring also serves to indicate that the fasteners have been properly tightened.
Safety wire is available in a variety of gauges and materials, depending on the application. In aircraft and racing applications, stainless steel wire is used, most commonly in 0.032 in (0.81 mm) diameter. Typically, the wire is threaded through a hole drilled into a fastener or part, then twisted and anchored to a second fastener or part, then twisted again.
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Famous quotes containing the words safety and/or wire:
“There is always safety in valor.”
—Ralph Waldo Emerson (1803–1882)
“God, I am caught in a snare!
I know not what fine wire is round my throat;
I only know I let him finger there
My pulse of life, and let him nose like a stoat
Who sniffs with joy before he drinks the blood.”
—D.H. (David Herbert)