Stop Washer and Shear Nut large 25dia washer and M6 bolt with anti vandal shear nut. This assembly is to securely end a run of Roller Barrier. Required at open ends to allow free rotation of the tumblers.
Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that Vandgard Anti-Climb Guards is consulted before specifying.
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