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8 inch HDD single roller core bit / roller core cutter for the hdd rock reamer / HDD roller bit
8 inch HDD single roller core bit / roller core cutter for the hdd rock reamer / HDD roller bit

8 inch HDD single roller core bit / roller core cutter for the hdd rock reamer / HDD roller bit

8 inch HDD single roller core bit / roller core cutter for the hdd rock reamer / HDD roller bit

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Single roller bit

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  • 8 inch HDD single roller core bit / roller core cutter for the hdd rock reamer / HDD roller bit

    1, HDD single roller core bit Palm body and wheel material: 20GrNiMo 
    2, HDD single roller core bit The tooth profile of the cone is: steel teeth (milled teeth)，insert teeth Steel teeth are mainly used in fully weathered mudstone strata and sand egg formations. The steel teeth are high and fast. The teeth (inlaid with carbide teeth) tooth profile (IADC) mainly has 517，537,617，637 teeth

    HDD single roller core bit Specification:

    1 HDD single roller core bit Rubber & metal sealed bearing
    2 HDD single roller core bit tooth shape (IADC) mainly has 517, 537， 617， 637 teeth.
    3 HDD single roller core cutter Roller cores mainly size: 6 ½ ”, 8 ½”, 9 ½ ”, 12 ¼” inch cores
    4 Matching principle:
       A)Sand layer, weathered mudstone: steel teeth (milled tooth gear)
       B)Soft rock formation: generally refers to the formation below 30MPa, using 517 teeth
       C) Medium hard formation: 40-80MPa hardness rock, using 537, 617 teeth
       D)Hard rock formation : >80Mpa hardness rock , using 617 teeth ,metal sealed cores .

     

    Keywords：
    • 8 inch HDD single roller core bit
    • roller core cutter for the hdd rock reamer
    • HDD roller bit

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