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Lock washers

Spring washer DIN128

Article no. 444
from€0.02
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Product information

Spring washers to the DIN 128 standard are used to keep a bolt or nut joint stable and to protect it against loosening. Type A has a curved (convex) shape, while type B has a wavy shape. Unlike ordinary helical washers, these are not directional, so they can be used on both right-hand and left-hand threaded joints. When the joint is tightened, the washer creates a spring force between the bolt and the surface, increasing friction and preventing the joint from coming loose. Made of steel and A2 and A4 stainless steel, in sizes from M2,2 to M36.