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Position: Home > Products > PCD Drill Bits > Vertical Drilling Series > Roller Cone Bits
3 7/8
3 7/8
3 7/8
3 7/8
3 7/8
3 7/8
3 7/8
3 7/8
3 7/8
3 7/8

3 7/8" IADC637 Inserted Tooth Tri-cone Drill Bit

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Product Specifications

Diameter

3 7/8"

Bearing Type

Rubber Sealed Bearing

Cut Tooth Type

TCI

Drilling Circulation Type

Mud Circulation

Connection Thread Type

2 3/8 Reg Male

Tear Diameter Protection

Yes

Back Protection

Yes

Operation Parameters
Drilling Speed(r/min)80~40 
Drilling Pressure(KN)49~117
Applicable StratumHard formations with high compressive strength, such as sandstone, limestone, dolomite, anhydrite, marble, etc.
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