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  • Spreads the load of a bolted joint
  • Zinc Yellow Passivate - For internal applications
  • Trivalent Chromium (Cr3+) RoHS compliant
  • Zinc plating to AS1789-2003, Table 1

A square washer is a thin plate with a hole in the centre. They are used for to minimise scouring or scratch damage to mating material as a result of nut rotation.

These washers are also used to increase the effective bearing surface of the bolt and or nut. That is, to distribute the load of a threaded fastener over a larger area and prevent deformation of the bearing surfaces.

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