Tsev
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Tuam txhab Profile
Daim ntawv pov thawj
Lub Hoobkas ncig saib
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Cov khoom
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Hlau / Milled hniav tricone ntsis
Ib leeg menyuam cone me ntsis
HDD pob zeb reamer / Qhov qhib qhib
PDC laum ntsis
Hybrid Bit
Kauj ruam luag cov khoom
Xov xwm
Xov Xwm Tuam Txhab
Xov xwm kev lag luam
FAQs
Tiv tauj peb
Daim ntawv thov
Tuam txhab Video
English
Tsev
Cov khoom
TCI tricone ib
Tricone khoom IADC447
Rotary laum ntsis IADC447 6.5 nti (165mm)
TCI tricone ntsis IADC447 8 1/2 nti (215.9mm)
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