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The ARP 3/8-inch chamfer washer features a 3/8" inner diameter and .625" outer diameter, supplied as a 10-pack. These machined washers provide a reliable bearing surface for fasteners and help distribute clamp load across assemblies. Sold in bulk for projects that require multiple fasteners, the ten-piece pack suits engine work and general mechanical applications needing that precise washer dimension.
ARP 3/8 ID .625 OD Chamfer Black Washer - 10 Pack
