• Materials Technology

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  • Business

    Throop Rock Bit Materials Technology specializes in high value-added products made from advanced steel grades and special alloys for the most demanding industries. Our extensive expertise is based on an integrated production platform and innovative metallurgy and R&D. Product areas: tricone and fixed cutter bit products.


    Our machinery and equipment includes the latest Model CNC machine tools, such as five-axis machining centers, as well as an extensive lineup of lathes, speciality and design, drafting and inspection equipment.


    See our certifications for quality control procedures.


    Our operations are based on unique expertise in materials technology, extensive knowledge about drilling processes and close customer cooperation. This combination, coupled with continuous investments in research and development (R&D), has enabled our clients to achieve leading positions in the fields of mining, workover, and oil & gas.

  • American standards

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    American Design, Manufacturing & Assembly

    Throop Rock Bit is headquartered in Tonkawa, Oklahoma, USA and takes great pride in being a U.S. owned and operated manufacturer in an age when nearly all other bit companies have chosen to have products manufactured overseas. We are committed to the local economy and have a dedicated work force of highly skilled machinists, welders, assembly personnel and seasoned veterans in manufacturing and design, serving the drilling industry for over 70 years.

  • Over 70 years of Innovation

    Since its founding in 1947, Throop Rock Bit has been a trusted name in the drilling industry. Learn more about important moments in the history of the company, and how some of them have affected the history of the bit industry.