12 1/4"(311.1mm) IADC637G TCI Tricone Bits

12 1/4 inches TCI Tricone Bit

keyword:

tricone bit roller cone bit rock drill bit 311mm tricone rock bit for water well drill 12 1/4 inch TCI tricone bit rock bit

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Introduce

Specifications

Diameter	12 1/4"(311.1mm)
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)

156-373

Formations

Hard formation with high compressive strength ,such as hard shale,sandstone,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