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DIN 125 Flat Washers are standard metric flat washers – a circular metal disc with a central hole.
DIN 126 - 1990 Product grade C washers designed for use with hexagon head bolts and nuts.
DIN 433 (-1) - 1990 DIN 433 (-2) - 1990
DIN 1440 - 1974 Washers, Type Medium for Bolts
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