The DIN 6902 standard published by the German Standardization Institute (DIN) describes the requirements for flat washers for screw and washer groups.
Similarly, in the ISO 10673 standard published by the International Standards Organization (ISO), the characteristics of flat steel washers, which are the small, normal and large series of product class A, for metric screw and washer assemblies according to the ISO 10644 standard (ISO 10673 for Screw and washer assemblies) flat washers - Small, normal and large series - Product class A). Such products can only be produced under the conditions defined in article 5 of the standard. The manufacture of screw and washer assemblies considers the assembly process of the components as well as the material and manufacturing procedure of the screw and flat washer to meet specification requirements.
Also known as flat washers, these washers for screw and washer assemblies are designed to distribute the load on the fastener while reducing heat and friction during tightening. They are commonly used as spacers in industrial and domestic applications. Flat washers are also used to provide electrical insulation. In short, they are widely used for general manufacturing, maintenance, and repair work.
The primary purpose of most washers is to evenly distribute the load of the threaded fastener they are used with. Threaded fasteners stress the material. For example, tightening a screw into wood can cause the wood to crack on the surface. Washers reduce the risk of this type of damage by distributing the load of the fastener evenly across the surface of the material. Not all materials require the use of washers. However, for wood and other soft materials, washers are useful for providing protection against stress-related damage.
Our organization, among the numerous test, measurement, analysis and evaluation studies it has given for businesses in various sectors, with its trained and expert staff and advanced technological equipment, within the scope of DIN 6902 standard, for flat washers for screw and washer groups and within the scope of ISO 10673 standard, screw and also provides testing services for flat washers (small, normal and large series, product class A) for washer assemblies.
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