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Product Specification
  Type specification(inch):
4 3/4
  Type specification(mm):
120.7mm
  IADC:
LYD437
  Additional features:
G
  Formation:
Extremely soft stratum with high permeability,Low compressive strength
  Drilling condition:
rotary drilling、high temp.drilling、deep drilling、motor drilling
  Bearing Type:
journal bearing
  Total teeth count:
55
  API connection(REG pin):
2 7/8 REG
   Weight on bit(KN):
0.25-0.64
  Rotary speed(Rpm):
180-60
   Recommened upper torqueKN.M:
8-9.5
Contact Us Lilin Machinery Group Co., Ltd.
Add:Fukang Road Gegu Jinnan,Tianjin,China.
P.C.:300352
[ Trade Department ] Tel.:86-22-58052996     E-mail:sale@lilingroup.com
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