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465

WAVY WASHER D137B 6MM A4

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A crinkle washer is a type of tension washer featuring multiple wave-like ridges around its circumference. These ridges create spring-like flexibility, allowing the washer to maintain tension in a bolted joint even when subjected to vibration, movement, or thermal expansion. Unlike spring or split washers, crinkle washers provide smoother, more evenly distributed tension because of their multi-point wave profile.