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South Coast Fasteners stocks the M8 (8.4 MM x 21 MM x 4 MM) Metric Flat Washers (Extra Thick), DIN 7349, Alloy Steel, Zinc Cr+3 for fast 3-5 day shipping. It measures 4 MM thick, Alloy Steel with a Zinc Cr+3 finish. Used in distributing bearing pressure under a bolt or nut. These metric flat washers are part of our Metric Flat Washers line, stocked across industries such as Automotive and HVAC.
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