The torque required to run a nut down a thread on certain types of nuts designed to resist vibration loosening. The resistance can be provided by a plastic insert or a noncircular head.
A prevailing torque bolt nut (a bolt nut with a nylon ring encased, to help it resist vibration loosening) is 'un écrou auto-bloquant' in French. The prevailing torque (the twisting force required to run a nut down a thread on such a bolt -or on any bolt) is called in French "le couple de serrage"
Prevailing torque nuts have a built-in feature that adds resistance during installation to prevent them from loosening due to vibration or other external forces. This design feature typically involves a non-circular shape of the nut or a deformed thread that increases the friction between the nut and the bolt. When the nut is tightened, this friction creates additional resistance, providing a locking mechanism that helps to keep the nut securely in place.
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A wind that blows consistently from one direction is known as a prevailing wind. For example, over most of North America, the wind tends to blow from West to East, thus the prevailing Westerly.
all prevailing winds blow the same direction.
The prevailing wind in Kent UK is generally acknowledged to be South Westerly.
This means the normal direction of the wind. Here are some sentences.The prevailing winds are from the southwest.This gale is opposite of the prevailing winds.
Throughout most of New Zealand, the prevailing wind is from the west.
The Coriolis effect is the force that deflects prevailing winds