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        8 1/2“ FA26 Steel Tooth Tricone Bit

         

        PRODUCT SPECIFICATIONS
        Bit Size: 8 1/2inch(215.9mm)
        IADC: 1 2 6
        SERIES: FA
        Tooth type: (ST)Tungsten Carbide Insert
        Connection: 4 1/2inch API REG PIN
        Nozzle: three jet(side) nozzles
        Bit Weight: 38kgs

         

        RECOMMENDED ROCK FORMATIONS
        Adapted to be used in very soft to medium soft with low compressive strength and high drillability (mudstone, loose sands, soft limestone, shale, etc.)

         

        SIZE AVAILABLE
        From 5 7/8inch to 18 1/2inch

         

        RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

         Types & IADC Code

         116

         117

         126

         127

         136

         137

         216

         217

         246

         247

         326

         327

         WOB  KN/mm(Bit Dia.)  0.48~1.0  0.48~1.0  0.48~1.0  0.4~1.0  0.4~1.0  0.55~0.85
         Lb/in. (Bit Dia.)  2742~5714  2742~5714  2742~5714  2285~5714  2285~5714  3140~4860
         Rotation Speed (Rpm)  160~80  150~70  130~60  100~60  80~50  60~45

         

        The above chart represents commonly available sizes and types, we do produce other sizes and types of rock bits which do not appear on this list. Please contact us for more information.
         

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