9 7/8"(250.8mm) TCI Tricone Bit IADC637 for Hard Rock Drilling

9 7/8 inches TCI Tricone Bit

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hard rock tricone bit rotary drill bit roller cone bit 250mm rotary bit for oil drill API tricone bit for hard rock oil bit

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Introduce

Specifications

Diameter	9 7/8"(250.8mm)
Bearing Type	Elastomer sealed bearing
Tooth Type	TCI(Tungsten Carbide Inserts)
Circulation Type	Mud fluid
Thread Connection	6 5/8 reg pin
Gauge Protection	Available
Shirttail Protection	Available

Operating Parameters

RPM(r/min)

80-40

WOB(KN)

125-300

Formations

Hard formation with high compressive strength , such as sandstone,hard shale, dolomite,hard gypsum, chert, granite, etc.

Regular Models


12 1/4"(311.1mm) IADC637G	17 1/2" (444.5mm) IADC537G	12 1/4"(311.1mm) IADC137G	17 1/2"(444.5mm) IADC135G

8 1/2"(215.9mm) PDC Bit	12 1/4"(311.1mm) PDC Bit	Bi Center Bit	PDC Reaming Bits

24" Hole Opener	28" Hole Opener	14" PDC Reamer	18" PDC Reamer

Tricone Bit Thirds	Replaceable Roller Cone Bits	Block Roller Bits	Core Barrel