What are the specifications and standards of hex nuts?

There are many hex nut standards, and different standards also correspond to different size specifications. Most users (especially users who have just used hex nuts) do not know how to choose the hex nut suitable for their products. The following editor will take you to learn more about the common The size specifications of several kinds of hexagon nuts are convenient for your choice.

Hex Nut Standard 1: DIN934 Hex Nut

The DIN934 name is grade A and grade B for coarse and fine hex nuts. It refers to the accuracy of hex nuts. Grade A is the highest precision, followed by B. Users can choose correctly according to the scene they use; coarse and fine teeth fingers It is the pitch of the nut, the pitch of coarse teeth is slightly larger than the pitch of fine teeth. Products similar to DIN934 include GB6170, GB6172, DIN439, ANSIB18.2.2 American-made hexagon nuts, etc. The biggest difference of this type of product is the difference in size. Users can check the size information by themselves. American-made nuts need to be used with American-made bolts, as shown in the figure below. It is DIN934 standard size and specification table, users can compare and choose.

Note: d represents the thread size, that is, the diameter and length of the thread; p is the pitch, which refers to the distance between each tooth of the thread; m refers to the thickness of the nut; s refers to the distance between the opposite sides of the hexagon; e refers to Diagonal distance

Hex Nut Standard 2: DIN985 Hexagon Lock Nut

The biggest function of DIN985 hexagon lock nut is to lock and prevent loosening and falling off. This is determined by the characteristics of the nylon ring. At the same time, the nylon ring has a shortcoming, that is, it is not heat resistant and easy to lock, so it is easy to lock when the temperature is higher. In this case, it is generally not recommended for users to choose. At the same time, the color of the nylon ring can be produced according to the needs of users. Blue is a conventional product, and red has a better locking effect.

Hex Nut Standard Three: DIN6923 Hex Flange Nut

The biggest advantage of DIN6923 hexagon flange nut is that the flange surface is fixed at one end of the nut body, and the cap is fixed at the other end of the nut body; because the cap is set on the nut body, it has better advantages when using hexagon flange nuts. Good airtightness can effectively prevent rain, moisture, dust and other harmful substances from immersing into the nut body, preventing corrosion of the nut body, thereby greatly extending the service life of the hexagonal flange nut.

At present, the commonly used hexagonal bolts are roughly the above-mentioned types. You can choose the correct specifications and standards of the hexagonal nut according to your product, the size of the bolt and the use environment. If you have other questions, please Please feel free to inquire.