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Product Specification
  Type specification(inch):
17 1/2
  Type specification(mm):
444.5mm
  IADC:
115
  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:
rolling bearing
  Total teeth count:
84
  Gage row teeth count:
43
  Number of gage rows:
3
  Number of inner rows:
5
  Journal angle:
33°
  Offset:
8
  API connection(REG pin):
7 5/8
  Weight on bit(KN):
89-311
  Rotary speed(Rpm):
300-60
  Recommened upper torqueKN.M:
46.1-54.2
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