What Is The DIN Standard Of Fastener?

DIN standards are a set of norms developed by the German Institute for Standardization (Deutsches Institut für Normung, or DIN). They cover a wide range of products, including fasteners. DIN standards for fasteners specify various characteristics such as dimensions, materials, and testing methods to ensure compatibility and quality.

There are several DIN standards related to fasteners, depending on the type of fastener and its application. Some common DIN standards for fasteners include:

DIN 931 and DIN 933: These standards cover hexagon head bolts with partial threads (931) and full threads (933).

DIN 934: This standard specifies hexagon nuts.

DIN 985: This standard pertains to prevailing torque-type hexagon nuts with non-metallic inserts.

DIN 7985: It covers pan head screws with cross recess.

DIN 912: This standard is for hexagon socket head cap screws.

DIN 125: It specifies flat washers.

These are just a few examples, and there are many other DIN standards for different types of fasteners. It’s important to note that DIN standards are widely used in Germany and in various industries globally. However, DIN standards have been largely replaced by ISO (International Organization for Standardization) standards in many countries outside of Germany. ISO has developed international standards that are often adopted in place of national standards, including those from DIN.

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