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A S B U R Y . T H R O O P

  • Our Brands
  • Our Company 
    • About us
    • History
    • Leadership
    • Certifications
  • Contact Us
  • …  
    • Our Brands
    • Our Company 
      • About us
      • History
      • Leadership
      • Certifications
    • Contact Us

    A S B U R Y . T H R O O P

    • Our Brands
    • Our Company 
      • About us
      • History
      • Leadership
      • Certifications
    • Contact Us
    • …  
      • Our Brands
      • Our Company 
        • About us
        • History
        • Leadership
        • Certifications
      • Contact Us

      A S B U R Y . T H R O O P

      • OUR HISTORY

      • 1

        1947-1967

        -Throop Rock Bit was established in Tonkawa, Oklahoma to service the oilfield and related industries as Maassen Tool & Supply (pictured)

        - First manufactured our own line of steel tooth rotary drill bits

        - First tungsten carbide insert bits manufactured

        - Becomes the World's leading producer of small diameter rotary cone rock bits

        2

        1967-1987

        - Production facilities expanded for the first time to allow for increased production and demand

        - Company is renamed Throop Rock Bit in 1974

        - Purchase our first CNC machine tool

        3

        1987-2007

        - Move to new production facilities better suited to growing needs

        - First sealed bearing bits manufactured

        - Production facilities ar expanded to supply growing demands for production of Throop Rock Bits

        - New office facilities are built for management personnel

        - Production facilities and warehouse space expansion to increase production capacity

        - Fixed Cutter series manufactured

        - Sealed Journal series manufactured

        - ISO certification

        4

        2007-CURRENT

        - Hardfacing facilities are expanded

        - Completion series manufactured

        - MTCI bits manufactured

        - ISO 9001:2015 certification updated

        - ISO 29001:2012 certified updated

        - Production facilities expanded

        - Upgrade to the latest CNC machinery in the market

        - Celebrating more than 70 years of service

      About Us

      History

      Leadership

      Our Brands

      Asbury Machine

      Throop Rock Bit

      Contact us

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