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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
[ Human Resource Department ] Tel.：86-22-28685828     E-mail：hr@lilingroup.com
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