The M12 Square Plate Washers 50 x 50mm (L x W) Zinc Plated is made up of steel material with zinc plated finish which makes it strong and durable. Square steel washers are suitable for a variety of applications where a heavy washer is required. It is typically a thin piece of material with a hole in the middle, that is used to distribute the load of a threaded fastener, such as a screw or nut. They can also be used as a wear pad, to reduce vibration, or as a locking device.

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