IADC 632
Size 9 7/8 in (250 mm )
Type 9 7/8 K632
Drilling Applications
- Drilling operations in coal mine, iron mine and copper 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 Conical or Spherical Inserts
Product weight 65 kgs
Pin connection 6 5/8 API Reg
Operating Parameters
Weight on Bit 20000~60000 lbs (WOB)
Rotary Speed 50~110 RPM
