Connection Compatibility Checker

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Connection Compatibility Checker

Select the connection designation on your current drill string to see which Welong drilling mud motor models match – cross-referenced against the API 7-1/7-2 rotary-shouldered connection family.

Your Drill String Connection

Connection designations follow the API Spec 7-1 / API Spec 7-2 rotary-shouldered connection family. Always confirm exact thread and gauge compatibility against your specific BHA before ordering.

Connection Compatibility Checker

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