Lead: Anti-theft nut is a series of products to prevent mechanical parts from loosening naturally or caused by human theft. It can effectively reduce the loss of people and money caused by joint loosening or man-made theft, and is also widely used in products closely related to our daily life, such as automobiles. Because of its obvious anti-loosening and anti-theft effects, anti-theft nuts have developed very rapidly. This paper will briefly introduce the main types of anti-theft nuts.

Anti-theft nut type

The main types of anti-theft nuts are: spiral wedge anti-loosening anti-theft nut, torsion sliding anti-theft nut, needle roller anti-theft nut and ball anti-theft nut. All kinds of anti-theft nuts have different characteristics and advantages. To get the best choice, we must first understand all kinds of anti-theft nuts. Spiral wedge-shaped anti-loosening and anti-theft nuts are divided into integral type and split type. The integral spiral wedge-shaped anti-loosening and anti-theft nut is mainly a hexagonal standard part. The separated nut is divided into two parts, and its main body is round.

The main shapes of twist-slip anti-theft nut and needle-roller anti-theft nut are hexagonal, in which the twist-slip anti-theft nut makes two sets of nuts, the inner surface of the inner sleeve makes threads, and the outer sleeve adopts the external dimensions of the national nut. When the nut is twisted, its inner and outer sleeves are simultaneously matched. No matter whether the external force acts directly on the outer sleeve or has a certain force distance with the outer sleeve, the inner and outer sleeves of the torsional sliding anti-theft nut can be designed to achieve the purpose of anti-loosening and anti-theft.

The last one is the ball-type anti-theft nut, which mainly has three shapes: hexagonal nut, May 4th nut and dodecagonal nut. The manufacturing process of the ball-type anti-theft nut is relatively simple, and there is no need for two processes, because it is cold pier forming at one time and the surface is hot galvanized. Its internal thread is provided with a pair of blind grooves whose radius and depth gradually increase relative to the thread, and the cross section of the blind grooves is arc. The two balls are installed in two blind slots, and are equipped with special plastic inner bushings and plastic washers to ensure the free movement of the balls.

Tighten the nut clockwise, the ball will roll along the arc blind groove, and the plastic inner bushing of the nut will automatically fall off. When the nut is unscrewed counterclockwise, the radial size of the blind groove gradually becomes smaller, which causes the ball to get stuck in the thread, so that the nut cannot be unscrewed, which plays an anti-theft role. Spherical anti-theft nut has become the most widely used anti-theft nut because of its simple operation and strong anti-theft.

Through this article, I believe everyone must have a further understanding of the anti-theft nut and its model. When choosing anti-theft nuts, you can choose different types of anti-theft nuts according to your own situation to protect your property and personal safety. To learn more, please log in to Tuba Rabbit!

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