BSF STEEL BLANK-OUT COVER PLATES.

-   Designs available for SAE, ISO Metric, & other special mounting flanges.

-   Can be made round, square, oval and other special shapes

-   Available with O-Ring grooves around the pilot

-   Optional O-Rings can be provided upon request (sold separately).

-   BSF standard includes a red primer coating on outside surfaces.

-   Custom designs available

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