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Junziguan ,West town,Cangzhou,Hebei,China China
Persona de contacto Ms. selena wang
Dirección Junziguan ,West town, Cangzhou, Hebei
Bit size Std API pin shank (inch) Nozzle aperture diameter(mm) mm inch 95.25-104.78 3 3/4-4 1/8 2 3/8 REG
1.the reamer bits mainly consists of more than three cones .Cutting Structure with premium tungsten carbide ha
1, Soft formations(417, 437, 517, 537) Features large chisel-shaped inserts to provide the highest penetratio
 8.5 inch and 12.25 inch details : Bit size (in) Specifications Recommended drilling parameters
TCI bits 1, Soft formations(417, 437, 517, 537) Features large chisel-shaped inserts to provide the highest
The feature of PDC drill bit 1. Bit profile is optimized and is suitable for drilling soft to medium formatio
he feature of tci rock bit 1) With high-precision radial bearing slide, two thrust bearings, bearing palm to
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