API 6A Flange Bolting Chart

This page has the API 6A Flange Bolting Chart (PB-TD-202) as a printable PDF. It lists stud quantity, stud diameter, bolt circle and minimum stud length for API 6A Type 6B and 6BX flanges. Values are for reference; confirm against the current edition of the governing standard. Send us your print for a quote or call (281) 581-0176.

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