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Simpson® SDWS Timber hex screws

Simpson® SDWS timber screws, Star drive oversize washer head, Double barrier coated steel

Timber screw diameter is measured on the outside of the shank.

Timber screws SDWS Oversize washer head star diameter

NOTE: Image not to scale

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Simpson® SDWS timber screws, Star drive oversize washer head, Double barrier coated steel

Shank diameter