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The ARP 5/16" ID, .550" OD chamfer washer features a beveled edge for flush seating with countersunk or angled surfaces, sized for 5/16-inch fasteners. Intended for engine and mechanical use, the chamfered profile helps align bolts and distribute load where a tapered edge is needed. Keep these washers available for assemblies that require precise seating and reduced edge interference.
ARP 5/16 ID .550 OD chamfer washers
