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  • WH461-4

    4 Straight blades, polished cutters  decrease shearing Stress, prom- oting condition of cuttings  immigration,and increasing ROP.
  • WH461P-4

    4 Straight blades, polished cutters  decrease shearing Stress, prom- oting condition of cuttings  immigration,and increasing ROP.
  • WH461-5

    5 Straight blades, polished cutters  decrease shearing Stress, prom- oting condition of cuttings  immigration,and increasing ROP.
  • WH461P-5

    5 Straight blades, polished cutters  decrease shearing Stress, prom- oting condition of cuttings  immigration,and increasing ROP.
  • WH461-6

    6 straight blades, polished cutters  could decrease shearing stress,  improve the condition of cuttings  immigration, and increase ROP. …
  • WH361-4

    4 straight blades, polished cutters  could decrease shearing stress,  improve the condition of cuttings  immigration, and increase ROP. …
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