Washers have the shape of a disk with a cylindrical hole for a bolt , screw or stud. Washers are placed under the nuts of bolts, screws to protect the surface of the part from crumpling, as well as to prevent self-unscrewing nuts, bolts, screws. In addition, the use of a washer contributes to a more uniform distribution of pressure on the connected parts. These washers combine high strength properties with good ductility and viscosity, so the washers, depending on the design, can be used in areas with a design temperature of up to minus 65 ° C. This is achieved by special heat treatment.
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* The time resistance is the ratio of the maximum load that the bolt can withstand at the moment of failure to the initial cross-section. ** The cost is calculated individually for each application.