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Supply chainMechanical Systems & HardwareFastenersCountersunk Washers

Countersunk Washers

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Countersunk washers are load-distributing hardware elements machined or cold-formed with a conical bearing face sized to seat flush against countersunk fastener heads, manufactured in titanium alloys, corrosion-resistant steel (CRES), and aluminium to AMS and NAS dimensional standards, with surface treatments such as anodising, cadmium plating, or dry-film lubrication applied to meet aerospace fatigue and corrosion-resistance requirements.

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