DOYLES stocks a wide variety of Double Studded Adapters (DSA). Most sizes and pressure rating configurations are in stock for immediate shipment. When the required size and pressure combination is not in stock, they can be manufactured or re-manufactured to fit virtually any combination. Typically, B7 all-thread studs are installed with grade 2H nuts, but tapped-end and plated studs can be installed when specified at the time of order.

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