11 years factory.

 

Ranking bit can work for water well drilling , oil drilling , Horizontal Directional Drilling .etc.

 

 

TCI Tricone Bits
Steel Tooth Bits
PDC Bits
Hole Opener
$1,100.00 - $1,196.00/piece
1 piece(Min. Order)
$1,200.00 - $1,500.00/piece
1 piece(Min. Order)
$1,100.00 - $1,196.00/piece
1 piece(Min. Order)
$3,798.00 - $3,850.00/piece
1 piece(Min. Order)
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