• Premiium SEries

    Sealed Journal Bearing Bits

    Sealed Journal Bearing​

    Sealed Journal Bearing

    Premium packages


    SEALED Journal bearing BITs



    The family of sealed journal bearing tricone drill bits from Throop Rock Bit has gained significant field experience over the last decade, making our bits a trusted choice amongst industry professionals worldwide. These bits are designed and manufactured for the toughest conditions utilizing field-proven technologies, quality materials and superior bearing design packages in order to provide reliable and consistent drilling performance.

  • Optional features

    Throop Rock Bit offers a variety of customizable features to all of our premium bits. Tungsten carbide hard facing and inserts on the leg and shirttail for increased wear protection in the most abrasive formations. A wide variety of carbide jet nozzle sizes and a number of other features that can be included upon request.



    • Gauge enhancement package
    • Breakage-resistant heels
    • Wear/stabilization pad
    • Shirttail and leg hardfacing
    • Raised shirttail and arm protection
    • Motor hardfacing
    • Tungsten Shirttail compacts
    • Air application
    • Center Jet
    • Lug pads
    • Non-standard gauge row
    • Five sided cone hardfacing
    For more info and features contact our sales team: sales@throoprockbit.com.