Drill Collars 3-1/8” – 9-1/2” OD

Drill Collars 3-1/8” – 9-1/2” OD

    • API rotary shouldered
    • HI-TORQUE™ (HT™)
    • eXtreme™ Torque (XT™)
    • XT-M™
    • CET
    • EVRDRL™
    • Double Shoulder (DS)

Black Diamond Oilfield

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