3 7/8" IADC 211 - MILL TOOTH TRICONE/ROLLER CONE BIT

PRODUCT NUMBER: VG03875211

PRODUCT APPLICATION

Designed to drill soft to medium formations, compressive strength of which doesn't exceed 45 MPa (6500 psi).  These include shale, limestone, sandstone, mud stone, and dolomite.

DESIGN SPECIFICATIONS

Bearing Type: Friction w/Ball Retention
Seal Type: None
Cutting Structure: Milled tooth
Number of Rows:  Total: 8  Inner: 5  Gauge: 3
Insert/Teeth:  Total: 85  Inner: 43  Gauge: 42
Method of Flushing: Fluid
Bit Connection Type: 2 3/8 Reg.
Bit Weight: 7.72lbs (3.5 kg_

OPERATING PARAMETERS

Weight on Bit Range: 4000 - 16,500 lbs.
Rotary Speed (RPM): 50 -140.