• 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.

  • our company

    At Throop Rock Bit, we go further to make our bits better, our employees happier, and our customers impressed. Learn more about the work that makes us proud to be part of Throop Rock Bit.

  • Our vision

    Throop Rock Bit has a mission to create the best bits and provide the highest quality service to our customers.

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    Improving quality is a daily priority at Throop Rock Bit. From design and manufacture to sales and service, we always aims to increase customer satisfaction.
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    Reliability is productivity. We have a longstanding commitment to developing and implementing innovations that make our bits more consistent for our customers.

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    without adding extra cost. Computational fluid dynamics modeling improves cuttings removal and reduces bit balling tendencies to improve penetration rates. High-quality materials and manufacturing processes help ensure durability to maintain an accurate borehole diameter.

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    Strong Business

    We’re increasing capacity in the United States and growing without sacrificing our values. We continue to fund our employee 401k plans, high-quality medical insurance   and deliver profit-sharing contributions to our U.S. hourly employees.

  • our vision

    People working together as a lean, global enterprise to make people’s lives better through automotive and mobility leadership.