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产品信息
  Type specification(inch):
6
  Type specification(mm):
152.4mm
  IADC:
137
  Additional features:
G
  Formation:
Soft Formation of Low Crushing Resistance and High Drillability
  Drilling condition:
rotary drilling、high temp.drilling、deep drilling、motor drilling
  Bearing Type:
journal bearing
  Total teeth count:
77
  Gage row teeth count:
33
  Number of gage rows:
3
  Number of inner rows:
5
  Journal angle:
33°
  Offset:
5.6
  API connection(REG pin):
3 1/2
  Weight on bit(KN):
53-160
  Rotary speed(Rpm):
300-60
  Recommened upper torqueKN.M:
9.5-12.2
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