• ALL Our bits are designed, machined & assembled in the great state of Oklahoma since 1947.

  • COMMITMENT TO HIGHEST QUALITY STANDARDS

    Driven by customers' challenges, we make bits more efficient, valuable and reliable.

    OUR COMPANY

    Throop Rock Bit is an American manufacturing company serving 42 countries around the world.

    CERTIFICATIONS

    Our facility in Tonkawa, Oklahoma holds the following certifications: ISO 9001 & TS 29001

    OUR MATERIALS TECHNOLOGY

    Our bits are made from advanced steel grades & special alloys for the toughest conditions.

    HISTORY

    Since its founding in 1947, Throop Rock Bit has been a trusted name in the drilling industry.

    INDUSTRY OFFERINGS

    Throop Rock Bit products create value in a wide range of industries.

    AMERICAN STANDARDS

    Our bits are designed, machined & assembled in the great state of Oklahoma since 1947.