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ARP stainless steel M10 washer with a .850-inch outer diameter, supplied as part of a hardware washer set. These precision washers provide a reliable bearing surface to distribute clamping forces for M10 fasteners in engine and automotive assemblies. The slightly larger OD increases contact area beneath heads or nuts. Use where an M10 washer with a .850-inch outer diameter is specified for secure fastening.
ARP M10 ID .850 OD SS washer
