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Position: Home > Products > PCD Drill Bits > Trenchless Technology Series > Pilot Drill Bits
5 1/2
5 1/2
5 1/2
5 1/2

5 1/2" (139.7mm) IADC637G Roller Pilot Drill Bit

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Product Specifications

Drill Diameter

5 1/2"(139.7mm) IADC537

Bearing Type

Rubber Sealed Bearing

Tooth Type 

TCI

Circulation Type

Mud Circulation

Thread Type

2 7/8 Reg Male

Alloy Gage

Yes

Claw Back Alloy

Yes

Operation Parameters

Drilling Speed(r/min)

120~50

Drilling Pressure(KN)

60~133

Applicable Stratum

Soft to medium formations with low compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with harder abrasive interlayers.

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