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Specifications
1 high quality and inexpensive2 diamond drilling head
3 timely delivery
4 covered almost IADC code numbers
diamond drilling head
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Cutting Structure
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High extension balling resistant cutting structure with forged teeth and self-sharpening tooth hardmetal for high penetration rates and long life in soft abrasive formations.
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Bearing Package
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Traditional ball and roller bearing, utilizing thrust buttons for axial bearing loads, gives reliable performance under a variety of rotary speeds and loads.
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Premium Hardfacing
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The tooth surfaces are fortified with premium, high-density tungsten carbide hardfacing applied by oxy-acetylene welding for superior wear resistance.
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Center Jet Nozzle
(feature)
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A fourth interchangeable jet is installed in the center of the bit to reduce bit balling or provide extra flow capacity. (Available only in 8 3⁄8" bits and larger.)
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