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In addition to the standard dimensions, DIN 20921 washers are also available in different materials and finishes to meet specific application requirements. These washers are commonly made from materials such as stainless steel, carbon steel, and brass, which offer different levels of strength, corrosion resistance, and durability. The finishes of DIN 20921 washers can also vary, including plain, zinc-plated, and hot-dipped galvanized finishes.

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HEBEI YUETONG FASTENERS beam clamp m8