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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

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  • 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

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About Us

History

Leadership

Our Brands

Asbury Machine

Throop Bits

Contact us

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