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160

FLAT WASHER BS3410 7/8 A4

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A flat washer is a smooth, flat disc with a central hole, used to distribute the load of a nut or bolt over a larger surface area. It helps prevent damage to the material being fastened, reduces surface indentation, and provides a stable, even bearing surface. Flat washers are also commonly used to minimise loosening caused by vibration when paired with other locking components.