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GB 853 square diagonal washers are mainly used for connecting channel steel, especially in situations where fastening is required along the groove direction of the channel steel. The GB 853 standard provides detailed specifications for the size range, tolerance requirements, material selection, and performance indicators of square diagonal washers for channel steel, ensuring that the washers can effectively disperse loads and prevent local stress concentration at the connection points.
DIN127 spring washers are mainly used in bolt connections, especially in bolt connections with a strength grade of 5.8 or below. Its main purpose is to prevent bolt loosening by increasing the axial rebound force to compensate for the loss of preload force caused by compression, thereby preventing the loosening of threaded connections.
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