IADC 632
Size 6 3/4 inches (171 mm )
Type 6 3/4 K632
Drilling Applications
- Drilling operations in open coal mine, copper mine and iron mine.
- Applicable for drilling medium hard formation with high compressive strength and high abrasiveness, such as limestone, hard shale, dolomite and taconite etc.
Design Specifications
Bearing type Roller-Ball-Roller-Thrust button
Cutting structure Tungsten Carbide Inserts
Inner Rows and Nose Rows Conical Inserts
Gauge Rows Spherical Inserts
Product weight 21 kgs
Pin connection 3 1/2 API Reg
Operating Parameters
Weight on Bit 15000-40000lbs (WOB)
Rotary Speed 50~100 RPM
