DRILL BITS

For your convenience we have the IADC Classification Chart here online in PDF format. Simply select the one you desire and your browser will load it accordingly. Once completed simply use your browsers back button to return to this page.

    Varel
    Smith
    Hughes
    Reed
    Security

     To view the Adobe PDF file you must download the Adobe Reader.

And finally we provide here a chart of API Casing Dimensions & Bit Clearance Data:

Go here for chart.

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